Toshiba L770 manual

User's Manual C670/C670D/L770/L775/ L770D/L775D[...]

Table of Contents Preface General Precautions Chapter 1 Getting Started Equipment checklist ............................................................................. 1-1 Getting Started ....................................................................................... 1-2 Chapter 2 The Grand Tour The Grand Tour for C670/C670D .............[...]

Special features ..................................................................................... 4-5 Using the TOSHIBA Sleep Utility ......................................................... 4-7 Using the TOSHIBA Face Recognition ................................................ 4-9 Password Utility ............................................[...]

Copyright © 2011 by TOSHIBA Corporation. All rights reserved. Under the copyright laws, this manual cannot be reproduced in any form without the prior written permission of TOSHIBA. No patent liability is assumed, with respect to the use of the information contained herein. First edition March 2011 Copyright authority for music, movies, computer p[...]

Memory Stick and Memory Stick PRO are trademarks or registered trademarks of Sony Corporation. MultiMediaCard and MMC are trademarks of MultiMediaCard Association. Atheros is a registered trademark of Atheros Communication, Inc. Realtek is a registered trademark of Realtek Semiconductor Corporation. Broadcom is a registered trademark of Broadcom Co[...]

Contact Address: TOSHIBA America Information Systems, Inc. 9740 Irvine Boulevard Irvine, California 92618-1697 Telephone: (949) 583-3000 EU Declaration of Conformity This product is carrying the CE-Mark in accordance with the related European Directives. Responsible for CE- Marking is TOSHIBA Europe GmbH, Hammfelddamm 8, 41460 Neuss, Germany. The c[...]

Industrial Environments (e.g. environments where a mains voltage of 380 V three-phase is used) Medical Environments Automotive Environments Aircraft Environments Any consequences resulting from the use of this product in working environments that are not approved are not the responsibility of TOSHIBA. The consequences of the use of this product in [...]

The crossed out wheeled dust bin symbol indicates that products must be collected and disposed of separately from household waste. Integrated batteries and accumulators can be disposed of with the product. They will be separated at the recycling centres. The black bar indicates that the product was placed on the market after August 13, 2005. By par[...]

GOST Disposing of the computer and the computer's batteries Discard this computer in accordance with applicable laws and regulations. For further information, contact your local government. This computer contains rechargeable batteries. After repeated use, the batteries will finally lose their ability to hold a charge and you will need to repl[...]

Optical disc drive safety instructions Be sure to check the precautions at the end of this section. The drive model employs a laser system. To ensure proper use of this product, please read this instruction manual carefully and retain for future reference. Should the unit ever require maintenance, contact an authorized service location. Use of cont[...]

TOSHIBA SAMSUNG ST ORAGE TECHNOLOGY KOREA CORPORATION 416, MEATAN-3 DONG, YEONGTONG-GU, SUWON CITY, GYEONGGI, 443-742, KOREA 4. Sony Optiarc Inc. DVD SuperMulti with Double Layer AD-7710/7713 Complies with 21 CFR, Chapter 1, Subchapter J. Sony Optiarc Inc. 1-11-1 Osaki Shinagawa-ku, T okyo, 141-0032, Japan Precautions CAUTION: This appliance contai[...]

Preface Congratulations on your purchase of this computer. This powerful notebook computer provides excellent expansion capability, includes multimedia functionality, and is designed to provide years of reliable, high-performance computing. This manual tells how to set up and begin using your computer. It also provides detailed information on confi[...]

Display ABC Names of windows or icons or text generated by the computer that appear on its display screen are presented in the type face you see to the left. Messages Messages are used in this manual to bring important information to your attention. Each type of message is identified as shown below. Indicates a potentially hazardous situation, whic[...]

General Precautions TOSHIBA computers are designed to optimize safety, minimize strain and withstand the rigors of portability. However, certain precautions should be observed to further reduce the risk of personal injury or damage to the computer. Be certain to read the general precautions below and to note the cautions included in the text of the[...]

Stress injury Carefully read the Instruction Manual for Safety and Comfort . It contains information on the prevention of stress injuries to your hands and wrists that can be caused by extensive keyboard use. It also includes information on work space design, posture and lighting that can help reduce physical stress. Heat injury Avoid prolonged phy[...]

Chapter 1 Getting Started This chapter provides an equipment checklist, and basic information to start using your computer. Some of the features described in this manual may not function properly if you use an operating system that was not pre-installed by TOSHIBA. Equipment checklist Carefully unpack your computer, taking care to save the box and [...]

Corel Digital Studio TOSHIBA eco Utility TOSHIBA Bulletin Board TOSHIBA ReelTime TOSHIBA HW Setup Utility TOSHIBA Value Added Package TOSHIBA Web Camera Application TOSHIBA Face Recognition TOSHIBA Service Station TOSHIBA PC Health Monitor TOSHIBA Sleep Utility TOSHIBA Wireless LAN Indicator TOSHIBA Media Controller Online Manual You may not have a[...]

Before you install a device or application, save any data in memory to the hard disk drive or other storage media. Failure to do so may result in the loss of data. Connecting the AC adaptor Attach the AC adaptor when you need to charge the battery or you want to operate from AC power. It is also the fastest way to get started, because the battery p[...]

Never place your computer or AC adaptor on a wooden surface, furniture, or any other surface that could be marred by exposure to heat since the computer base and AC adaptor's surface increase in temperature during normal use. Always place your computer or AC adaptor on a flat and hard surface that is resistant to heat damage. Refer to the encl[...]

3. Plug the power cord into a live wall outlet - the Battery and DC IN indicators or DC IN/Battery indicator on the front of the computer should glow. Opening the display The display panel can be opened to a wide range of angles for optimal viewing. While holding down the palm rest with one hand so that the main body of the computer is not raised, [...]

Turning on the power This section describes how to turn on the power - the Power indicator will then indicate the status. Please refer to the Monitoring of power condition section in Chapter 5, Power and Power-Up Modes for more information. After you turn on the power for the first time, do not turn it off until you have set up the operating system[...]

2. Make sure all disk/disc activity has stopped before removing the CD/ DVD/BD. Make sure the Hard Disk Drive/Optical Disc Drive indicator is off. If you turn off the power while a disk (disc) is being accessed, you may lose data or damage the disk. Never turn off the power while an application is running. Doing so could cause loss of data. Never t[...]

When the AC adaptor is connected, the computer will go into Sleep Mode according to the settings in the Power Options (to access it, Start -> Control Panel -> System and Security -> Power Options ). To restore the operation of the computer from Sleep Mode, press and hold the power button or any key on the keyboard for a short amount of tim[...]

If you are operating the computer on battery power, you can lengthen the overall operating time by turning it off into Hibernation Mode - Sleep Mode will consume more power while the computer is off. Sleep Mode limitations Sleep Mode will not function under the following conditions: Power is turned back on immediately after shutting down. Memory ci[...]

1. Click Start . 2. Point to the arrow icon ( ) and then select Hibernate from the menu. Automatic Hibernation Mode The computer can be configured to enter Hibernation Mode automatically when you press the power button or close the lid. In order to define these settings, you can follow the steps as described below: 1. Click Start and click the Cont[...]

Chapter 2 The Grand Tour This chapter identifies the various components of the computer - it is recommended that you become familiar with each before you operate the computer. Legal Footnote (Non-applicable Icons) For more information regarding Non-applicable Icons, please refer to Appendix C, Legal Footnotes. Please handle your computer carefully [...]

Power indicator The Power indicator normally glows green when the computer is turned on. However, if you turn the computer off into Sleep Mode, this indicator will blink green - approximately two seconds on, two seconds off - both while the system is shutting down and while it remains turned off. Left side The following figure shows the computer’[...]

LAN jack This jack lets you connect to a LAN. The adaptor has built-in support for Ethernet LAN (10 megabits per second, 10BASE-T) or Fast Ethernet LAN (100 megabits per second, 100BASE-TX). Some models are equipped with a Gigabit Ethernet LAN (1000 megabits per second, 1000BASE-T). Refer to chapter 3, Operating Basics , for details. Do not connect[...]

Figure 2-3 The right side of the computer 1 2 1. Optical disc drive 2. Security lock slot Optical disc drive The computer is configured with a DVD Super Multi, BD-Combo or BD-Writer drive. 2.6GB and 5.2GB DVD-RAM media cannot be read from or written to. Security lock slot A security cable can be attached to this slot and then connected to a desk or[...]

Underside The following figure shows the underside of the computer. You should ensure that the display is closed before the computer is turned over to avoid causing any damage. Figure 2-5 The underside of the computer 1 2 3 4 1. Battery lock 3. Memory module slot 2. Battery release latch 4. Cooling vents Battery lock Slide the battery lock to relea[...]

Do not block the cooling vents. Keep foreign metal objects, such as screws, staples and paper clips, out of the cooling vents. Foreign metal objects can create a short circuit, which can cause damage and fire, possibly resulting in serious injury. Carefully clean the dust on the cooling vents’ surface using a soft cloth. Front with the display op[...]

Display screen 43.9 cm (17.3”) LCD screen, 16 million colors, configured with the following resolution: HD+, 1600 horizontal x 900 vertical pixels Please be aware that, when the computer is operating on the AC adaptor, the image displayed on the internal screen will be somewhat brighter than when it operates on battery power. This difference in b[...]

Legal Footnote (Wireless LAN) For more information regarding Wireless LAN, please refer to Appendix C, Legal Footnotes. Bluetooth antenna Some computers in this series are equipped with the Bluetooth antenna. Stereo speakers The speakers emit sound generated by your software as well as audio alarms, such as low battery condition, generated by the s[...]

Figure 2-7 Front of the computer with display panel closed 123456 1. DC IN indicator 4. Hard Disk Drive/Optical Disc Drive indicator 2. Power indicator 5. Memory media slot indicator 3. Battery indicator 6. Wireless communication indicator DC IN indicator The DC IN indicator normally glows white when power is being correctly supplied from the AC po[...]

Left side The following figure shows the computer’s left side. Figure 2-8 The left side of the computer 6 5 4 3 7 1 2 1. DC IN 19V jack 5. Universal Serial Bus (USB 2.0 or USB 3.0) port* 2. Cooling vents 6. HDMI out port* 3. External RGB monitor port 7. Memory media slot 4. LAN jack * Provided with some models. DC IN 19V jack The AC adaptor conne[...]

Universal Serial Bus (USB 2.0 or 3.0) port One Universal Serial Bus port, which complies to the USB 2.0 or 3.0 standard, is provided on the left side of the computer. The port with the icon has Sleep and Charge function. The USB port type may vary depending on the model you purchased. The Port with blue color is USB 3.0 port. The USB 2.0 port is co[...]

Microphone jack A 3.5 mm mini microphone jack enables connection of a three-conductor mini jack for monaural microphone input. The integrated sound system provides support for the computer's internal speakers and microphone, as well as allowing an external microphone and headphones to be connected via the appropriate jacks. Universal Serial Bu[...]

Battery pack The rechargeable lithium-ion battery pack provides power to the computer when the AC adaptor is not connected. For more detailed information on the use and operation of the battery pack please refer to Chapter 5, Power and Power-Up Modes . Legal Footnote (Battery Life) For more information regarding Battery Life, please refer to Append[...]

Memory module slot The memory module slot allows for the installation, replacement and removal of additional memory module. 1 GB, 2 GB or 4 GB memory modules can be installed in the computer's two memory slots for a maximum of 8 GB system memory. The actual amount of useable system memory will be less than the installed memory modules. Refer t[...]

Figure 2-12 The front of the computer with the display panel open 7 8 5 3 2 1 4 6 9 10 11 6 11 12 1. Display screen 7. Power button 2. Web Camera* 8. Keyboard 3. Web Camera LED* 9. Touch Pad 4. Microphone* 10. Touch Pad control buttons 5. Bluetooth antenna and Wireless LAN antennas (not shown)* 11. Display hinges 6. Stereo speakers 12. Touch Pad ON[...]

Web Camera Web Camera is a device that allows you to record video or take photographs with your computer. You can use it for video chatting or video conferences using a communication tool such as Windows Live Messenger . TOSHIBA Web Camera Application will help you to add various video effects to your video or photograph. Enables the transmission o[...]

Keyboard The internal keyboard provides the dedicated numeric keys, dedicated cursor control overlay keys, and Keys. Refer to the The Keyboard section in Chapter 3, Operating Basics, for details. Touch Pad The Touch Pad located in the palm rest is used to control the movement of the on-screen pointer. For more information, please refer to the Using[...]

Legal Footnote (Hard Disk Drive (HDD) Capacity) For more information regarding Hard Disk Drive (HDD) Capacity, please refer to Appendix C, Legal Footnotes. RTC battery The internal RTC battery backs up the Real Time Clock (RTC) and calendar. Video RAM The memory in a computer's graphics adaptor, used to store the image displayed on a bitmap di[...]

Intel ® Display Power Saving Technology Intel GPU model may include the Display Power Saving Technology feature that can save the computer's power consumption by optimizing picture contrast on the internal LCD. This feature can be used if the computer is: running under battery mode using the internal LCD display only The Display Power Saving [...]

Chapter 3 Operating Basics This chapter describes the basic operations of your computer, highlights the precautions that should be taken when using it. Using the Touch Pad To use the Touch Pad, simply touch and move your fingertip across it in the direction you want the on-screen pointer to go. Figure 3-1 Touch Pad and Touch Pad control buttons (L7[...]

In use there are five different types of keys, specifically typewriter keys, function keys, soft keys, Hot keys and Windows special keys. Keyboard indicators The following figures show the positions of the CAPS LOCK indicator and the NUM LOCK indicator which show the following conditions: When the CAPS LOCK indicator glows, the keyboard will produc[...]

Soft keys: FN key combinations The FN (function) is used in combination with other keys to form soft keys. Soft keys are key combinations that enable, disable or configure specific features. Please note that some software may disable or interfere with soft-key operations, and that the soft-key settings are not restored when the computer returns fro[...]

To access this help, click Start -> All Programs -> TOSHIBA -> Utilities - > Flash Cards Help . Hot keys This section describes the associated functions of the hot keys. Mute Pressing FN + ESC turns the sound on and off. Lock Pressing FN + F1 enters ''Lock computer mode''. To restore your desktop, you need to log on [...]

Volume up Pressing FN + 4 increases the volume in increment. FN Sticky key You can use the TOSHIBA Accessibility Utility to make the FN key sticky, that is, you can press it once, release it, and then press an "F Number" key. To start the TOSHIBA Accessibility utility, click Start -> All Programs -> TOSHIBA -> Utilities -> Acc[...]

EXTRA), Addressing Method 2, DVD-R, DVD-RW, DVD+R, DVD+RW, DVD-RAM, DVD-R DL (Format1), DVD+R DL. BD-Combo drive In addition to the above formats, BD-Combo drive supports BD-ROM and BD (DL). BD-Writer drive In addition to the above formats, BD-Writer drive supports BD-R, BD-R (DL), BE-RE and BD-RE (DL). Some types and formats of DVD-R (DL) and DVD+[...]

3. Lay the disc, label side up, in the disc tray. Figure 3-6 Inserting a disc (L770/L775/L770D/L775D) 1 1. Laser lens When the disc tray is fully opened, the edge of the computer will cover the disc tray slightly. Therefore, you will need to turn the disc at an angle when you place it in the disc tray. After seating the disc, however, make sure it [...]

1. To pop the disc tray partially open, press the eject button. Gently pull the disc tray out until it is fully opened. When the disc tray pops open slightly, wait a moment to make sure the disc has stopped spinning before pulling the disc tray fully open. 2. The disc extends slightly over the sides of the disc tray so you can grasp it. Gently lift[...]

DVD-RW, DVD+RW and DVD-RAM discs can be recorded more than once. BDs BD-R and BD-R DL discs can be written only once. The recorded data cannot be erased or changed. BD-RE and BD-RE DL discs can be recorded more than once. Writing CD/DVD/BDs The TOSHIBA Disc Creator and Corel Digital Studio are provided as writing software with this computer. Corel [...]

Damage that may be caused by using third party equipment or software. Given the technological limitations of current optical disc writing drives, you may experience unexpected writing or rewriting errors due to disc quality or problems with hardware devices. In view of this, it is good practice to make two or more copies of important data, in case [...]

DVD+RW: MITSUBISHI KAGAKU MEDIA CO., LTD. (for 4x and 8x speed media) DVD-RAM: (DVD Super Multi drive only) DVD Specifications for DVD-RAM Disc for Version 2.0, Version 2.1 or Version 2.2 Panasonic Corporation (for 3x and 5x speed media) Hitachi Maxell, Ltd. (for 3x and 5x speed media) BD-R: Panasonic Corporation BD-R DL: Panasonic Corporation BD-R[...]

Do not use shut down, log off, Sleep Mode or Hibernation Mode functions while writing or rewriting. Make sure that the write/rewrite operation is completed before going into either Sleep Mode or Hibernation Mode (You can remove an optical media on the optical disc drive after writing is completed). If the media is of poor quality, or is dirty or da[...]

If you add data to a DVD-R, DVD-R DL, DVD+R or DVD+R DL disc that you have already recorded to, you might not be able to read the added data under some circumstances. For example, it cannot be read under 16-bit operating systems, such as Windows 98SE and Windows Me, while in Windows NT4 you will need Service Pack 6 or later, and in Windows 2000, yo[...]

1. Click Start -> All Programs -> Corel Digital Studio for TOSHIBA -> Corel Digital Studio for TOSHIBA to launch Corel Digital Studio. 2. Insert a DVD-R, DVD+R, DVD-RW, DVD+RW, BD-R or BD-RE disc in optical disc drive. 3. Find a source video and drag it onto Media Tray. 4. Click Burn -> Video Disc . 5. Select DVD or Blu-ray in Select di[...]

Do not set the working drive to a slow device like a USB1.1 hard disk drive or it will fail to write DVD or Blu-ray disc. Do not perform any of the following actions: Operate the computer for any other function, including using a mouse or Touch Pad, or closing/opening the display panel. Bump or cause vibration to the computer. Use the Mode control [...]

Do not playback video while watching or recording television programs using other applications. Doing so may cause DVD-Video playback or television program recording errors. In addition, if prescheduled recording starts during DVD-Video playback it may cause DVD-Video playback or television program recording errors. Please view DVD- Video during ti[...]

If the DVD-Video image is not displayed on an external display or television, stop the TOSHIBA VIDEO PLAYER, and change the screen resolution. To change the screen resolution, click Start -> Control Panel -> Appearance and Personalization -> Display -> Adjust resolution . However, video cannot be output to some external displays and tel[...]

The “TOSHIBA VIDEO PLAYER” is set by default in the 2D format. By pressing the 2Dto3D conversion function button, you decide to activate the 2Dto3D conversion function and therefore decide to watch your 2D content in 3D. The “TOSHIBA VIDEO PLAYER” will not run the 2Dto3D conversion function automatically. Please see the warnings in this sec[...]

1. Insert an DVD-Video in the DVD/BD drive while Windows® 7 is running. When a DVD-Video disc is set in the BD drive (for models with BD- Writer drive or BD-Combo drive), TOSHIBA VIDEO PLAYER starts automatically. When an DVD-Video disc is set in the DVD drive (for models with DVD Super Multi drive), if the application selection screen appears, se[...]

Because Blu-ray Disc playback operates according to programs built into the content, operation methods, operation screens, sound effects, icons and other features may vary from disc to disc. For more information on these items refer to instructions included with content or contact the content manufacturers directly. Make sure to connect the compute[...]

1. Click Tools . 2. Select 3D Playback . 3. Check Prefer to play in 3D mode to enable 3D playback. 4. Specify display device information. Monitor Type: Choose the correct monitor type in the drop-down menu. To play on external 3D enabled display/TV with HDMI, set the "HDMI 1.4 Video Output". Display size: Enter the size (in inches) of you[...]

Select Start -> All Programs -> Corel -> Corel WinDVD BD to start WinDVD BD. Operating WinDVD BD for TOSHIBA Notes on Using WinDVD BD for TOSHIBA. Screen display and available features may vary amongst BD-Videos and scenes. If the menu is opened in the Display Area using the Control window's Top Menu or Menu buttons, touch pad and mou[...]

Wireless LAN The Wireless LAN is compatible with other LAN systems based on Direct Sequence Spread Spectrum / Orthogonal Frequency Division Multiplexing radio technology that complies with the IEEE802.11 Wireless LAN standard. Frequency Channel Selection of 5GHz for IEEE 802.11a or/and IEEE802.11n Frequency Channel Selection of 2.4GHz for IEEE 802.[...]

Compatibility IEEE 802.11 Standard for Wireless LANs Wi-Fi (Wireless Fidelity) certified by the Wi- Fi Alliance. The "Wi-Fi CERTIFIED" logo is a certification mark of the Wi-Fi Alliance. Network Operating System Microsoft Windows Networking Media Access Proto- col CSMA/CA (Collision Avoidance) with Acknowledgment (ACK) Radio Characteristi[...]

Worldwide operation The Bluetooth radio transmitter and receiver operate in the 2.4GHz band, which is license-free and compatible with radio systems in most countries in the world. Radio links You can easily establish links between two or more devices, with these links being maintained even if the devices are not within a line-of-sight of each othe[...]

LAN The computer has built-in support for Ethernet LAN (10 megabits per second, 10BASE-T), Fast Ethernet LAN (100 megabits per second, 100BASE-TX) or Gigabit Ethernet LAN (1000 megabits per second, 1000BASE-T). This section describes how to connect/disconnect to a LAN. Do not install or remove a memory module while Wake-up on LAN is enabled. The Wa[...]

Do not connect any power supplying device to the LAN cable that is connected to the LAN jack. Otherwise, malfunctions or damage may occur. 1. Turn off the power to all external devices connected to the computer. 2. Plug one end of the cable into the LAN jack. Press gently until you hear the latch click into place. Figure 3-8 Connecting the LAN cabl[...]

capacities so that you can easily transfer data from devices, such as digital cameras and Personal Digital Assistants. Keep foreign objects out of the memory media slot. Never allow metal objects, such as screws, staples and paper clips, to enter the computer or Keyboard. Foreign metal objects can create a short circuit, which can cause computer da[...]

The SD memory card logo is ( ). The SDHC memory card logo is ( ). The SDHC memory card logo is ( TM ). The maximum capacity of SD memory cards is 2GB. The maximum capacity of SDHC memory cards is 32GB. Card Type Capacities SD 8MB, 16MB, 32MB, 64MB, 128MB, 256MB, 512MB, 1GB, 2GB SDHC 4GB, 8GB, 16GB, 32GB SDXC 64GB Memory media format New media cards[...]

Memory card care Set the write-protect switch to the lock position, if you do not want to record data. Memory cards have a limited lifespan, so it is important to backup important data. Do not write to a card if the battery power is low. Low power could affect writing accuracy. Do not remove a card while read/write is in progress. For more details [...]

Make sure memory media is oriented properly before you insert it. If you insert the media in wrong direction, you may not be able to remove it. When inserting memory media, do not touch the metal contacts. You could expose the storage area to static electricity, which can destroy data. Do not turn the computer off or switch to Sleep Mode or Hiberna[...]

Use only memory modules approved by TOSHIBA. Do not try to install or remove a memory module under the following conditions. a. The computer is turned on. b. The computer was shut down in either Sleep or Hibernation Mode. c. Wake-up on LAN is enabled. d. The wireless communication function is on. e. Sleep and Charge function is enabled. Be careful [...]

6. Slide your fingernail or a thin object under the cover and lift it off. Figure 3-11 Removing the memory module cover (L770/L775/L770D/L775D) 1 2 1. Screw 2. Memory module cover C670/C670D/L770/L775/L770D/L775D User's Manual 3-33[...]

7. Align the notch of the memory module with that of the memory slot and gently insert the module into the slot at about a 30 degree angle before holding it down until the latches on either side snap into place. Figure 3-12 Seating the memory module (L770/L775/L770D/L775D) 2 3 1 1. Notch 3. Slot A 2. Slot B Never allow metal objects, such as screws[...]

8. Seat the memory module cover in place and secure it with the screw. Take care to ensure that the memory module cover is firmly closed. Figure 3-13 Seating the memory module cover (L770/L775/L770D/L775D) 1 2 1. Screw 2. Memory module cover 9. Install the battery pack - refer to Replacing the battery pack section in Chapter 5, Power and Power-Up M[...]

8. Grasp the module by its edges and remove it from the computer. If you use the computer for a long time, the memory modules and the circuits locating close to the memory modules will become hot. In this case, let them cool to room temperature before you replace them. Or you will get burnt if you touch any of them. Do not touch the connectors on t[...]

Figure 3-15 Connecting the monitor cable to the External RGB monitor port (L770/L775/L770D/L775D) 1 2 1. External RGB monitor port 2. Monitor cable There are no fastening screws for an external monitor cable on this computer's External RGB monitor port. However, external monitor cables which have connectors with fastening screws can still be u[...]

As the port operation of all HDMI (High-Definition Multimedia Interface) monitors have not been confirmed, some HDMI monitors may not function properly. Connecting the HDMI out port 1. Plug one end of the HDMI cable into the HDMI out port of the HDMI device. 2. Plug the other end of the HDMI cable into the HDMI out port on your computer. Figure 3-1[...]

When you change the display output device by hot key like FN + F5 , the playback device may not switch automatically. In this case, in order to set the playback device to the same device as the display output device, please adjust the playback device manually by the following steps: a. Click Start -> Control Panel -> Hardware and Sound -> [...]

Display mode at List All Modes HD Format 720 by 576, True Color (32bit), 50Herts 576p 720 by 480, True Color (32bit), 60Herts 480p The above display mode is a typical HDMI display mode. The selectable display modes will vary for different HDMI monitors. HDMI 1.4 3D Video Only some models are supported with NVDIA HDMI 1.4 3D Video feature. When a te[...]

12. Select the "I have read and understand the Health and Safety Information" check box. 13. Click the Next button. 14. Click the Finish button. HDMI 1.4 3D Video feature is only supported at two resolutions: 1920x1080 24Hz and 1280x720 60Hz. The resolution can be reconfigured by the following procedure: 1. Click Start -> Control Panel[...]

Optional TOSHIBA Accessories You are able to add a number of options and accessories in order to make your computer even more powerful and convenient to use. For reference, the following list details some of the items that are available from your reseller or TOSHIBA dealer: Memory Kit A 1 GB, 2 GB or 4GB memory module (DDR3-1066/1333) can easily be[...]

Audio Enhancements In order to apply the sound effects for your current speaker, follow the steps below. 1. Right click on the speaker icon on the Taskbar, and select Playback Devices from the sub menu. 2. Select Speakers , and click Properties . 3. On the Enhancements tab select the sound effects you would like, and click Apply . Realtek HD Audio [...]

from your computers. The Dolby Advanced Audio feature is supported by some models. Dolby Advanced Audio includes: High-Frequency Enhancer: Analyzes and restores high frequencies lost during encoding. Works on any speaker for a higher level of audio than was previously possible. Audio Optimization: Corrects common audio problems caused by laptop lim[...]

Clean the plastics of the computer using a slightly water dampened cloth. You can clean the display screen by spraying a small amount of glass cleaner onto a soft, clean cloth and then wiping the screen gently with the cloth. Never spray cleaner directly onto the computer or let liquid run into any part of it. Never use harsh or caustic chemical pr[...]

If the processor's temperature reaches an unacceptably high level with either setting, the computer automatically shuts down to prevent any damage. In this instance all unsaved data in memory will be lost. C670/C670D/L770/L775/L770D/L775D User's Manual 3-46[...]

Chapter 4 Utilities & Advanced Usage This chapter describes the utilities and special features of this computer, and the advanced usage of some utilities. Utilities and Applications This section describes the pre-installed utilities that come with the computer and details how to start them. For further information on their operation, you may re[...]

TOSHIBA Accessibili- ty The TOSHIBA Accessibility utility provides support to movement impaired users when they need to use the TOSHIBA Hot-key functions. In use, the utility allows you to make the FN key "sticky", that is you can press it once, release it, and they press one of the Function keys in order to access its specific function. [...]

TOSHIBA eco Utility This computer is equipped with "eco mode". This mode slightly lowers performance of some devices to reduce electric power consumption. You can realize measurable power savings by using it continuously. TOSHIBA eco Utility helps you monitor your power savings by showing approximate real time power consumption. Furthermo[...]

TOSHIBA Sleep Utility This utility is able to either enable or disable the Sleep and Charge function. It shows the positions of USB ports that support the USB Sleep and Charge function and displays the battery's remaining capacity. To access this utility, click Start -> All Programs -> TOSHIBA -> Utilities -> Sleep Utility . TOSHIB[...]

TOSHIBA Resolution+ Plug-in For Windows Media Player The plug-in lets you upconverts wmv and mp4 videos on Windows Media Player. For more information, please refer to the TOSHIBA Resolution+ Plug-in for Windows Media Player Help. To access it, click Start -> All Programs -> TOSHIBA -> TOSHIBA Resolution+ Plug-in for Windows Media Player -&[...]

Intelligent power sup- ply *1 A microprocessor in the computer's intelligent power supply detects the battery's charge, automatically calculates the remaining battery capacity and protects electronic components from abnormal conditions such as a voltage overload from the AC adaptor. This can be specified in the Power Options. Battery save[...]

USB Wakeup function This function restores the computer from Sleep Mode depending on the external devices connected to the USB ports. For example, if a mouse or USB keyboard is connected to a USB port, clicking the mouse button or pressing the keyboard will wakeup the computer. Sleep and Charge function This feature allows you to charge USB- compat[...]

However, the Sleep and Charge function may not work with certain external devices even if they are compliant with the USB specification. In those cases, turn the power of the computer ON to charge the device. When Sleep and Charge function is enabled, USB bus power (DC5V) will be supplied to compatible ports even when the power of the computer is t[...]

Select the Enable Sleep and Charge check box to enable this function for the compatible USB ports. The default state is disabled. Power supply mode settings Your PC has multiple charging modes so that many different USB devices can be supported for Sleep and Charge function. Auto Mode (Default) is suitable for a wide range of digital audio players.[...]

TOSHIBA Face Recognition records face data in a log when face recognition fails. When transferring ownership or disposing of your computer, please uninstall the application or delete all the logs created by the application. For details on how to do this, see help file. TOSHIBA Face Recognition can be used only in Windows Vista and Windows 7. Discla[...]

5. Once your face has been positioned properly, the recording will commence. Start moving your neck very slightly to the left and right, and then move your neck up and down. 6. Registration will end after you have repeatedly moved your neck left, right, up and down. When the register succeeds, below message will be displayed on the screen: " R[...]

Windows Logon via TOSHIBA Face Recognition This section explains how to login to Windows with TOSHIBA Face Recognition. Two authentication modes are provided. 1:N Mode Login screen : If the face authentication tile is selected by default, you can log in without using the keyboard or mouse. 1:1 Mode Login screen : This mode is essentially the same a[...]

Passwords set by the TOSHIBA Password Utility function are different from the Windows password. User Password To start the utility, point to or click the following items: Start -> All Programs -> TOSHIBA -> Utilities -> TOSHIBA Assist -> SECURE -> User password Registered Click to register a password of up to 10 characters. After [...]

If you enter the password incorrectly three times in a row, the computer shuts off. In this case, you must turn the computer back on to retry password entry. HW Setup This section explains how to use the TOSHIBA HW Setup program to configure your computer, and provides information on settings for various functions. Accessing HW Setup To run the HW [...]

User Password Lets you register a new password or change/remove an existing password. Not Registered Changes or removes the password. (Default) Registered Selects the password. A dialogue box will appear to allow you to set the password. To enter a user password: 1. Select Registered to display the following prompt: Enter Password: Enter a password[...]

Power On Display This tab allows you to select the display to be used when the computer is started. Please note that this setting is only available on standard VGA mode and is not available as part of the Windows Desktop properties. The Power On Display is supported with some models. Auto-Selected Selects an external monitor if one is connected, ot[...]

Panel Open - Power On This feature allows you to change the Panel Open - Power On setting. Enabled Enables the Panel Open - Power On function. When you open the display panel while your computer is turned off, the system will boot up automatically. Disabled Disables the Panel Open - Power On function (Default). The Panel Open - Power On feature is [...]

Connect the AC adaptor when using the Wake-up on LAN function. The battery retention time will be shorter than the times listed in this manual when this function is enabled. Refer to the Batteries exhausted time section in chapter 5, Power and Power-Up Modes. Enabled Enables Wake-up on LAN from shutdown. Disabled Disables Wake-up on LAN from shutdo[...]

The collected information includes device operation time and number of actuations or status changes (i.e.: number of power button and FN key combination uses, AC adaptor, battery, LCD, fan, HDD, sound volume, wireless communication switch, TOSHIBA Express Port Replicator and USB information), date of initial system use, and also computer and device[...]

If a TOSHIBA PC Health Monitor message is displayed. A message will be displayed if any changes which may interfere with the operation of the program are detected. Follow the instructions displayed on screen in the message. System Recovery There is a hidden partition allocated on the hard disk drive for the System Recovery Options in the event of a[...]

Be sure to connect the AC adaptor when you create Recovery Media. Be sure to close all other software programs except the Recovery Media Creator. Do not run software such as screen savers which can put a heavy load on the CPU. Operate the computer at full power. Do not use power-saving features. Do not write to the media when the virus check softwa[...]

to restore the computer to the state it was in when you originally received it. To perform this restoration, follow the steps below: When the sound mute feature has been activated by pressing the FN + ESC key, be sure to disable this to allow sounds to be heard before starting the restore process. Please refer to The Keyboard in Chapter 3, Operatin[...]

If you subsequently set up your hard disk drive again, do not change, delete or add partitions in a manner other than specified in the manual, otherwise you may find that space for the required software is not available. In addition, if you use a third-party partitioning program to reconfigure the partitions on your hard disk drive, you may find th[...]

Chapter 5 Power and Power-Up Modes The computer's power resources include the AC adaptor, battery pack and any internal batteries. This chapter provides details on making the most effective use of these resources, and includes information on charging and changing batteries, tips for saving battery power, and information on the different power-[...]

Power on Power off (no operation) AC adaptor not connected Remaining battery capacity is above low battery trigger point • Operates • LED: off Remaining battery capacity is below low battery trigger point • Operates • LED: blink amber Remaining battery capacity is exhausted Computer shuts down No battery installed • No operation • LED: [...]

Power on Power off (no operation) AC adaptor connected Battery fully charged • Operates • No charge • LED: Battery white DC IN white • No charge • LED: Battery white DC IN white Battery partially charged or no charge • Operates • Charge • LED: Battery amber DC IN white • Quick charge • LED: Battery amber DC IN white No battery i[...]

Monitoring of power condition for C670/C670D As shown in the below table, the DC IN/Battery and Power indicators on the system indicator panel alert you to the computer’s operating capability and battery charge status. DC IN/Battery indicator Check the DC IN/Battery indicator to determine the status of the battery pack and power with the AC adapt[...]

Monitoring of power condition for L770/L775/ L770D/L775D As shown in the below table, the Battery , DC IN and Power indicators on the system indicator panel alert you to the computer’s operating capability and battery charge status. Battery indicator Check the Battery indicator to determine the status of the battery pack. The following indicator [...]

Blinking amber Indicates that the computer is in Sleep Mode and that there is sufficient power available (AC adaptor or battery) to maintain this condition. In Sleep Mode, this indicator will turn on for one second and off for two seconds. No light Under any other conditions, the indicator does not light. Battery This section explains battery types[...]

Refer to the enclosed Instruction Manual for Safety and Comfort for detailed precautions and handling instructions. Make sure the battery is securely installed in the computer before attempting to charge the battery pack. Improper installation could generate smoke or fire, or cause the battery pack to rupture. Keep the battery pack out of reach of [...]

Use only the computer connected to an AC power source or optional TOSHIBA Battery charger to charge the battery pack. Never attempt to charge the battery pack with any other charger. Battery charging notice The battery may not begin charging immediately under the following conditions: The battery is extremely hot or cold (if the battery is extremel[...]

Please be aware that the actual remaining operating time may differ slightly from the calculated time. With repeated discharges and recharges, the battery's capacity will gradually decrease. In view of this it will be noted that an often used, older battery will not operate for as long as a new battery even when both are fully charged. Maximiz[...]

3. Operate the computer on battery power for five minutes. If you find that the battery pack has at least five minutes of operating time, continue operating until the battery pack is fully discharged, however, if the DC IN/Battery or Battery indicator blinks or there is some other warning to indicate a low battery condition, go to Step 4. 4. Connec[...]

1. Save your work. 2. Turn the computer's power off - ensure that the Power indicator is off. 3. Remove all cables and peripherals that are connected to the computer. 4. Close the display panel and turn the computer upside down. 5. Slide the battery lock (1) into its unlock ( ) position. 6. Slide and hold the battery release latch (2) to disen[...]

Windows utilities You can configure various settings associated with both Sleep Mode and Hibernation Mode within the Power Options (to access it, Start -> Control Panel -> System and Security -> Power Options ). Hot keys You can use the FN + F3 hot key to enter Sleep Mode or FN + F4 to enter Hibernation Mode. Panel power on/off You can set[...]

Chapter 6 Troubleshooting TOSHIBA have designed this computer for durability, however, should problems occur you are able to use the procedures detailed in this chapter to help determine the cause. All users should become familiar with this chapter as knowing what might go wrong can help prevent problems from occurring in the first place. Problem s[...]

Check all cables to ensure they are correctly and firmly attached to the computer - loose cables can cause signal errors. Inspect all connecting cables for loose wires and all connectors for loose pins. Check that your CD/DVD/BD media is correctly loaded Always try to make detailed notes of your observations and keep them in a permanent error log -[...]

Hardware If you cannot find a software problem, you should then check the setup and configuration of your hardware. First run through the items in the preliminary checklist as described previously then, if you still cannot correct the problem, try to identify the source - the next section provides checklists for individual components and peripheral[...]

indicator is glowing, the computer is connected to a live external power source. Hardware and system checklist This section discusses problems caused by your computer’s hardware or attached peripherals. Basic problems may occur in the following areas: Power Keyboard Internal display panel Hard disk drive Optical Disc Drive Memory Media Card Point[...]

Problem Procedure Battery doesn’t power the computer The battery may be discharged - connect the AC adaptor to recharge the battery. Battery doesn’t charge when the AC adaptor is attached ( Battery indicator or DC IN/Battery indicator does not glow amber). If the battery is completely discharged, it will not begin charging immediately, in these[...]

Problem Procedure Battery doesn’t power the computer as long as expected If you frequently recharge a partially charged battery, the battery might not charge to its full potential - in these instances you should fully discharge the battery and then attempt to charge it again. Check the Power saver option under Select a power plan in the Power Opt[...]

Internal display panel Apparent computer's display panel problems may be related to the computer's setup and configuration - please refer to the HW Setup section in Chapter 4, Utilities & Advanced Usage, for further information. Problem Procedure No display Press the FN + F5 hot keys to adjust the display priority, and to make sure it[...]

Optical Disc Drive For more information, refer to Chapter 3, Operating Basics . Problem Procedure You cannot access a CD/DVD/BD in the drive Make sure the drive’s disc tray is securely closed. Press gently until it clicks into place. Open the disc tray and make sure the disc is properly seated. It should lie flat with the label facing up. A forei[...]

Touch Pad Problem Procedure The Touch Pad does not work. Check the Device Select settings. Click Start -> Control Panel -> Hardware and Sound -> Mouse . Press FN + F9 or the Touch Pad ON/OFF button to enable. On-screen pointer does not respond to pointing device operation In this instance the system might be busy - Try moving the mouse aga[...]

USB mouse Problem Procedure On-screen pointer does not respond to mouse operation In this instance the system might be busy - Try moving the mouse again after waiting a short while. Remove the mouse from the computer and then reconnect it to a free USB port it in order to ensure it is firmly attached. Double-clicking does not work In this instance,[...]

Problem Procedure USB device does not work Remove the USB device from the computer and then reconnect it to a free port in order to ensure it is firmly attached. Ensure that any required USB device drivers are properly installed - to achieve this you should refer to both the device documentation and the operating system documentation. Sleep and Cha[...]

Problem Procedure The battery depletes quickly even when I turned OFF the power of the computer. If Sleep and Charge function is enabled, the computer's battery will discharge during hibernation or when the computer is turned off. Connect the AC adaptor to the computer or disable the Sleep and Charge function. External devices connected to the[...]

Problem Procedure No sound is heard Adjust the volume. To increase the volume press FN + 4 hot key, and to decrease it press FN + 3 hot key. Check the software volume settings. Please check to see if Mute is turned to Off Check to make sure the headphone connection is secure. Check within the Windows Device Manager application to ensure the sound d[...]

Problem Procedure No display Try adjusting the contrast and brightness controls on the external monitor. Press the FN + F5 hot key in order to change the display priority and ensure that it is not set for the internal display only. Check to see if the external monitor is connected. When the external monitor is set as the primary display device in e[...]

Wireless LAN If the following procedures do not restore LAN access, consult your LAN administrator. For more information on wireless communication, refer to Chapter 3, Operating Basics . Problem Procedure Cannot access Wireless LAN Make sure the computer's Wireless communication function is on. If problems persist, contact your LAN administrat[...]

If a problem occurs when you are running software applications, consult the software documentation for troubleshooting suggestions and consider calling the software company's technical support department for assistance. Consult the reseller or dealer from where you purchased your computer and/or software - they are your best resource for curre[...]

Appendix A Specifications This appendix summarizes the computer’s technical specifications. Physical Dimensions Size 413.6 (w) x 270 (d) x 28/37.9 (h) millimeters (not including parts that extend beyond the main body). Environmental Requirements Conditions Ambient temperature Relative humidity Operating 5°C (41°F) to 35°C (95°F) 20% to 80% (n[...]

External RGB monitor port pin assignment 6 10 1 5 15 11 Pin Signal Name Description I/O 1 CRV Red Video Signal O 2 CGV Green Video Signal O 3 CBV Blue Video Signal O 4 Reserved Reserved 5 GND Ground 6 GND Ground 7 GND Ground 8 GND Ground 9 +5V Power Supply 10 GND Ground 11 Reserved Reserved 12 SDA Data Signal I/O 13 HSYNC Horizontal Sync Signal O 1[...]

Appendix B AC Power Cord and Connectors The power cord’s AC input plug must be compatible with the various international AC power outlets and the cord must meet the standards for the country/region in which it is used. All cords must meet the following specifications: Wire size: Minimum 0.75 mm 2 Current rating: Minimum 2.5 amperes Voltage rating[...]

For the United States and Canada, two pin plug configuration must be a 2-15P (250V) or 1-15P (125V) and three pin plug configuration must be 6-15P (250V) or 5-15P (125V) as designated in the U.S. National Electrical code handbook and the Canadian Electrical Code Part II. The following illustrations show the plug shapes for the U.S.A. and Canada, th[...]

Appendix C Legal Footnotes This chapter states the Legal Footnotes information applicable to TOSHIBA computers. Non-applicable Icons Certain computer chassis are designed to accommodate all possible configurations for an entire product series. Therefore, please be aware that your selected model may not have all the features and specifications corre[...]

conditions. Read additional restrictions in your product documentation. Contact TOSHIBA technical service and support, refer to Chapter 6, Troubleshooting , for more information. 64-Bit Computing 64-bit processors are designed to take advantage of 32 and 64 bit computing. 64-bit computing requires that the following hardware and software requiremen[...]

achieved on select models and configurations tested by TOSHIBA at the time of publication. Recharge time varies depending on usage. Battery may not charge while computer is consuming full power. After going through many charge and discharge cycles, the battery will lose its ability to perform at maximum capacity and will need to be replaced. This i[...]

Copy Protection Applicable copy protection standards included in certain media may prevent or limit recording or viewing of the media. C670/C670D/L770/L775/L770D/L775D User's Manual C-4[...]

Appendix D Information for Wireless Devices Wireless LAN Interoperability The Wireless LAN is compatible with other LAN systems Direct Sequence Spread Spectrum (DSSS) /Orthogonal Frequency Division Multiplexing (OFDM) radio technology, and is compliant to: The IEEE 802.11 Standard on Wireless LANs (Revision a/b/g/n or b/g/ n), as defined and approv[...]

Please visit http://www.pc.support.global.toshiba.com, if you have any questions about using Wireless LAN or Bluetooth Card from TOSHIBA. In Europe visit http://www.toshiba-europe.com/computers/tnt/bluetooth.htm Your Bluetooth product is not compatible with devices using Bluetooth Version 1.0B specifications Wireless Devices and your health Wireles[...]

Italy: - For private use, a general authorization is required if WAS/ RLAN’s are used outside own premises. For public use, a general authorization is required. Luxembourg: Implemented General authorization required for network and service supply. Norway: Implemented This subsection does not apply for the geographical area within a radius of 20 k[...]

Restrictions for Use of 5470-5725MHz Frequencies in Europe Italy: - For private use, a general authorization is required if WAS/ RLAN’s are used outside own premises. Luxembourg: Implemented General authorization required for network and service supply Russian Federation: Limited e.i.r.p 100mW. Permitted to use only for indoor applications, close[...]

designed to provide reasonable protection against harmful interference in a residential installation. Refer to the FCC information section for the detailed information. Caution: Exposure to Radio Frequency Radiation The radiated output power of the Wireless device is far below the FCC radio frequency exposure limits. Nevertheless, the Wireless devi[...]

Using this equipment in Japan In Japan, the frequency bandwidth of 2,400MHz to 2,483.5MHz for second generation low-power data communication systems such as this equipment overlaps that of mobile object identification systems (premises radio station and specified low-power radio station). 1. Important notice The frequency bandwidth of this equipmen[...]

4. : This equipment uses a frequency bandwidth from 2,400 MHz to 2,483.5 MHz. It is impossible to avoid the band of mobile object identification systems. 4. About the JEITA 5GHz Wireless LAN supports W52/W53/W56 Channel. Device Authorization This device obtains the Technical Regulation Conformity Certification and it belongs to the device class of [...]

Do not use this equipment in the countries/regions which are not listed in the table below. Available channel of Peer-to-peer connection by ad-hoc mode is Ch1- Ch11. Connection with an access point by the Infrastructure mode is Ch1- Ch13. As of Jan. 2011 Albania Argentina Australia Austria Azerbaijan Bahrain Belgium Bolivia Bosnia and Herzegovina B[...]

UAE UK Ukraine Uruguay USA Venezuela Vietnam Yemen Zimbabwe Approved Countries/Regions for the Realtek® RTL8188CE Wireless LAN 802.11n PCI-E NIC b/g/n Wireless LAN This equipment is approved to the radio standard by the countries/regions in the following table. Do not use this equipment in the countries/regions which are not listed in the table be[...]

Malta Mexico Monaco Montenegro Mozambique Namibia Netherlands New Zealand Norway Oman Pakistan Panama Papua New Guinea Paraguay Peru Philippines Poland Portugal Puerto Rico Qatar Romania Saudi Arabia Senegal Serbia Singapore Slovak Republic Slovenia South Africa South Korea Spain Sri Lanka Sweden Switzerland Taiwan Thailand Turkey UAE UK Ukraine Ur[...]

Canada Central African Republic Chile China Colombia Comoros Costa Rica Croatia Cyprus Czech Republic Democratic Republic of the Congo Denmark Dominican Republic Ecuador Egypt El Salvador Estonia Finland France Georgia Germany Ghana Greece Guatemala Honduras Hong Kong Hungary Iceland India Indonesia Ireland Israel Italy Ivory Coast Japan Jordan Kaz[...]

Vietnam Yemen Zambia Zimbabwe C670/C670D/L770/L775/L770D/L775D User's Manual D-12[...]

Index A AC adaptor additional 3-42 connecting 1-3 DC IN 19V jack 2-2, 2-10 ASCII characters 3-5 B Battery extending life 5-9 monitoring capacity 5-8 real time clock 2-18, 5-6 save mode 4-6 types 5-6 Battery indicator Battery pack additional 5-1 replacing 5-10 Bluetooth Bluetooth Stack for Windows by Toshiba 4-2 problems 6-15 Boot Priority 4-16 C Cl[...]

FN + 2 (Enlarge) 3-4 FN + 2 (TOSHIBA Zooming Utility enlarge) 3-4, 3-5 FN + ESC (Mute) 3-4 FN + F1 (Lock) 3-4 FN + F2 (Power Plan) 3-4 FN + F3 (Sleep) 3-4 FN + F4 (Hibernate) 3-4 FN + F5 (Output) 3-4 FN + F6 (Brightness Down) 3-4 FN + F7 (Brightness Up) 3-4 FN + F8 (Wireless) 3-4 FN + F9 (Touch Pad) 3-4 FN + space (Zoom) 3-4 Function keys 3-2 G Gra[...]

installing 3-32 problems 6-12 removing 3-35 memory media card inserting 3-30 removing 3-31 Memory media slot 3-27 Moving the computer 3-45 MultiMediaCard removing 3-31 P Password power on 4-5 Starting the computer by 4-13 Supervisor 4-13 user 4-13 Pointing Device Touch Pad 2-8, 2-17, 6-9 Power conditions 5-1 Hibernation Mode 1-9 panel on/off 4-6, 5[...]

T TOSHIBA Assist 4-2 TOSHIBA ConfigFree 4-2 TOSHIBA Disc Creator 3-12, 4-3 TOSHIBA HDD/SSD Alert Utility 4-3 TOSHIBA PC Diagnostic Tool 4-1 Touch Pad ON/OFF button 2-17 U USB device problems 6-10 V Video mode 3-44 Video RAM 2-18 W Web Camera 2-7, 2-16 Wireless communication indicator 2-9 Wireless LAN problems 6-15 C670/C670D/L770/L775/L770D/L775D U[...]