Dell M70 manuale d’uso

DellPrecision™M70ServiceManual Before You Begin System Components Memory Modules, Mini PCI Card, Modem, and Modules Internal Card With Bluetooth ® Wireless Technology Coin - Cell Battery Hard Drive Center Control Cover Display Assembly Keyboard Palm Rest Smart Card Reader PC Card Reader Speakers Microprocessor Thermal - Cooling Assem[...]

Back to Contents Page  Before You Begin DellPrecision™M70ServiceManual  Preparing to Work Inside the Computer  Recommended Tools  Computer Orientation  Screw Identification  Preparing to Work Inside the Computer   1. Ensure that the work surface is flat and clean to prevent scratching the computer c[...]

 Recommended Tools The procedures in this manual require the following tools: l  #1 Phillips screwdriver l ¼ - inch flat - blade screwdriver l  Small plastic scribe l  Flash BIOS update program floppy or CD  Computer Orientation  Screw Identification When you are removing and replacing components, print this section as a tool [...]

 Microprocessor Fan: (1 each)   Keyboard: (2 each)  Display Assembly: (2 each) Video Card Fan: (1 each) Display Latch: (2 each) Display Panel Cable: (1 each) Display Panel: (8 each) Speakers: (1 each) PC Card Reader (4 each) Palm Rest: (4 each) (13 each) System Board: (3 each) (1 each) Smart Card Reader (1 each) [...]

Back to Contents Page      Internal card with Bluetooth™wireless technology (1 each) Button Board (2 each)  [...]

Back to Contents Page  Flashing the BIOS DellPrecision™M70ServiceManual  1. Ensure that the AC adapter is plugged in and that the main battery is installed properly.  2. Insert the flash BIOS update program floppy or CD and turn on the computer. Follow the instructions that appear on the screen. The computer continues to boot[...]

Back to Contents Page  Internal Card With Bluetooth ® Wireless Technology DellPrecision™M70ServiceManual  If you ordered an internal card with Bluetooth ® wireless technology with your computer, the card is already installed.  Removing the Card With Bluetooth Wireless Technology  1. Follow the instructions in "[...]

Back to Contents Page  1 coin - cell battery  2 screw for card with Bluetooth wireless technology  3 card with Bluetooth wireless technology [...]

Back to Contents Page  Center Control Cover DellPrecision™M70ServiceManual   1. Follow the instructions in " Preparing to Work Inside the Computer ."  2. Turn the computer top - side up and open it.  3. Remove the center control cover: a.  Open the display all the way (180 degrees) so that it lies flat agai[...]

Back to Contents Page  Coin - Cell Battery DellPrecision™M70ServiceManual  A coin - cell battery maintains computer configuration, date, and time information. The battery can last several years. The battery may need replacing if you have repeatedly reset the time and date information after turning on the computer or if a message[...]

 13. Close the small access door.  14. Insert the main battery and close the battery door.  15. Connect your computer and devices to electrical outlets, and turn them on.  16. Enter the system setup program and restore the settings you recorded in step1 .  17. Properly dispose of the old battery. See the safety instructions in you[...]

Back to Contents Page  Microprocessor Module DellPrecision™M70ServiceManual  Removing the Microprocessor Module   1. Follow the instructions in " Preparing to Work Inside the Computer ."  2. Remove the display assembly .  3. Remove the keyboard .  4. Remove the palm rest .  5. Remove the microprocesso[...]

 1. Align the pin - 1 corner of the microprocessor module with the pin - 1 corner of the ZIF socket, and insert the microprocessor module. When the microprocessor module is correctly seated, all four corners are aligned at the same height. If one or more corners of the module are higher than the others, the module is not seated correctly.  2.[...]

Back to Contents Page  Microprocessor Thermal - Cooling Assembly DellPrecision™M70ServiceManual  Removing the Microprocessor Thermal - Cooling Assembly   1. Follow the instructions in " Preparing to Work Inside the Computer ."  2. Remove the display assembly .  3. Remove the keyboard .  4. Remove the pal[...]

 Installing the Microprocessor Thermal - Cooling Assembly  1. Place the microprocessor thermal - cooling assembly directly down onto the system board. Push straight down.  2. Tighten the four captive screws, labeled "1" through "4," in consecutive order. Back to Contents Page [...]

Back to Contents Page  Display Assembly DellPrecision™M70ServiceManual  Display Assembly  Display Bezel  Display Panel  Display Assembly   1. Follow the instructions in " Preparing to Work Inside the Computer ."  2. Turn the computer over and remove the two M2.5 x 8 - mm screws labeled "[...]

 Display Bezel   1. Follow the instructions in " Preparing to Work Inside the Computer ."  2. Remove the display assembly .  3. Use a plastic scribe to pry the six round display bumpers out of the screw holes located on the front of the bezel. Do not remove the oval bumpers.  4. Remove the six M2.5 x 5 - mm screws locate[...]

 Display Panel   1. Follow the instructions in " Preparing to Work Inside the Computer ."  2. Remove the center control cover .  3. Remove the display assembly .  4. Remove the display bezel .  5. Remove the eight M2 x 3 - mm screws from sides of the display panel.  6. Remove the M2 x 3 - mm screw for the display c[...]

 9. Use the pull - tab to disconnect the bottom flex - cable connector from the inverter display - cable connector.  Back to Contents Page  1 top flex - cable connector 2 top display - cable connector 3 tabs 1 inverter flex - cable 2 inverter display - cable connector 3 pull - tab on bottom flex - cable connector[...]

Back to Contents Page  Fans DellPrecision™M70ServiceManual   Removing the Microprocessor Fan  1. Follow the instructions in " Preparing to Work Inside the Computer ."  2. Remove the display assembly .  3. Remove the keyboard .  4. Remove the palm rest .  5. Remove the M2.5 x 5 - mm screw from the top [...]

 5. Remove the M2.5 x 5 - mm screw from the bottom right corner of the fan.  6. Disconnect the fan cable connector.  7. Lift the fan straight out of the computer. Back to Contents Page  1 M2.5 x 5 - mm screw 2 fan cable connector[...]

Back to Contents Page  Hard Drive DellPrecision™M70ServiceManual    Removing the Hard Drive and Carrier  1. Follow the instructions in " Preparing to Work Inside the Computer ."  2. Turn the computer over. Use a standard #1 Phillips screwdriver to remove the two M3 x 3 - mm screws.  3. Slide the hard dri[...]

Back to Contents Page [...]

Back to Contents Page  Keyboard DellPrecision™M70ServiceManual   1. Follow the instructions in " Preparing to Work Inside the Computer ."  2. Turn the computer top - side up and open it.  3. Remove the center control cover .  4. Remove the keyboard: a.  Remove the two M2.5 x 5 - mm screws across the top [...]

Back to Contents Page  1 M2.5 x 5 - mm screws (2) 2 keyboard 3 palm rest 4 keyboard tabs (5)[...]

Back to Contents Page  Palm Rest DellPrecision™M70ServiceManual   1. Follow the instructions in " Preparing to Work Inside the Computer ."  2. Remove the display assembly .  3. Remove the keyboard .  4. Remove the 13 M2.5 x 8 - mm screws from the bottom of the computer.  5. Remove the four M2.5 x 5 - mm [...]

 8. Use your fingers to separate the palm rest from the computer base.  9. Lift the palm rest, pulling apart the snaps on the base. Back to Contents Page  1 touch pad connector 2 system board connector 3 computer base NOTICE: Carefully separate the palm rest from the computer base to avoid damage to the palm rest.[...]

Back to Contents Page  PC Card Reader DellPrecision™M70ServiceManual   Removing the PC Card Reader  1. Follow the instructions in " Preparing to Work Inside the Computer ."  2. Remove the display assembly .  3. Remove the keyboard .  4. Remove the palm rest .  5. Remove the four M2 x 3 - mm screws sec[...]

Back to Contents Page  Pin Assignments for I/O Connectors DellPrecision™M70ServiceManual  USB Connector  Video Connector  S- Video TV - Out Connector  Serial Connector  USB Connector  Video Connector  S- Video TV - Out Connector  Pin  Signal 1 USB5V+ 2 USBP – 3 USBP+ 4 GND  Pin  Signal[...]

 Serial Connector Back to Contents Page   S- Video  Pin  Signal 1 GND 2 GND 3 DLUMA -L 4 DCRMA -L  Composite Video  Pin  Signal 5 SP_DIF 6 DCMPS - L 7 SP_DIF  Pin  Signal  Pin  Signal 1 DCD 6 DSR 2 RXDA 7 RTS 3 TXDA 8 CTS 4 DTR 9 RI 5 GND  [...]

Back to Contents Page  Smart Card Reader DellPrecision™M70ServiceManual   Removing the Smart Card Reader  1. Follow the instructions in " Preparing to Work Inside the Computer ."  2. Remove the display assembly .  3. Remove the keyboard .  4. Remove the palm rest .  5. Locate the smart card reader and[...]

Back to Contents Page  Speakers DellPrecision™M70ServiceManual   1. Follow the instructions in " Preparing to Work Inside the Computer ."  2. Remove the coin - cell battery.  3. Remove the display assembly .  4. Remove the keyboard .  5. Remove the palm rest .  6. Remove the M2.5 x 5 - mm screw from t[...]

Back to Contents Page  System Board DellPrecision™M70ServiceManual  Removing the System Board  The system board's BIOS chip contains the Service Tag, which is also visible on a barcode label on the bottom of the computer. The replacement kit for the system board includes a CD that provides a utility for transferring the [...]

 19. Remove the M2 x 3 - mm screw from the system board support.  20. Remove the three M2.5 x 5 - mm screws that secure the system board to the computer base.  21. Remove the system board from the computer base. a.  Ensure that you have disconnected all cables from the system board. b.  Gently lift the board starting from the left si[...]

c.  After the connectors are dislodged, lift the board out of the base.  Installing the System Board  1. Perform all the steps in " Removing the System Board " in reverse order.  2. Turn on the computer.  3. Insert the floppy or CD that accompanied the replacement system board into the appropriate drive. Follow the instruct[...]

Back to Contents Page  System Components DellPrecision™M70ServiceManual Back to Contents Page  NOTICE: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell is not covered by your warranty. NOTICE: Unless otherwise noted, each procedure in this documen[...]

Back to Contents Page DellPrecision™M70ServiceManual  Notes, Notices, and Cautions  Information in this document is subject to change without notice. © 2005DellInc.Allrightsreserved. Reproduction in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden. Trademarks used in this[...]

Back to Contents Page  Memory Modules, Mini PCI Card, Modem, and Devices DellPrecision™M70ServiceManual  Memory Modules  Mini PCI Card  Modem  Devices  Memory Modules The computer has two memory slots, DIMM A and DIMM B. DIMM A (under the keyboard) holds the basic memory module as configured from the fact[...]

 4. Ground yourself and install the new memory module: a.  Align the notch in the module with the slot in the center of the connector. b.  Slide the edge of the module firmly into the connector, and rotate the module down until you feel a click. If you do not feel the click, remove the module and reinstall it.  5. Replace the cover and [...]

 5. Ground yourself and install the new memory module: a.  Align the notch in the module with the slot in the center of the connector. b.  Slide the edge of the module firmly into the connector, and rotate the module down until you feel a click. If you do not feel the click, remove the module and reinstall it.  6. Replace the keyboard a[...]

 2. Turn the computer over, and loosen the captive screws on the options cover.  3. If a Mini PCI card is not already installed, go to step4 . If you are replacing a Mini PCI card, remove the existing card: a.  Disconnect the Mini PCI card from any attached cables. b.  Release the Mini PCI card by spreading the metal securing tabs un[...]

 4. To install the Mini PCI card, align the Mini PCI card with the connector at a 45 - degree angle, and press the Mini PCI card firmly into the connector. Press down until you feel a click.  5. Connect the antenna cables to the Mini PCI card.  6. Replace the cover and tighten the screw.  Modem    1. Follow the instructions in [...]

 4. If you are installing a modem, connect the modem cable to the modem.  5. Align the modem with the screw hole, and press the modem into the connector directly over the connector on the system board.  6. Replace the M2 x 3mm modem screw and secure the modem to the system board.  7. Replace the options cover.  Devices Your computer [...]

 2. Pull the device by the latch release to remove the device from the module bay.  If the Device Screw Is Installed  1. If the computer is connected to a docking device (docked), undock it. See the documentation that came with your docking device for instructions.  2. Close the display and turn the computer over.  3. Use a #1 Philli[...]

 5. Pull the device by the latch release to remove the device from the module bay. Back to Contents Page  NOTICE: Insert devices into the module bay before you dock and turn on the computer.[...]

Back to Contents Page  Video Card Assembly DellPrecision™M70ServiceManual  Removing the Video Card Assembly   1. Follow the instructions in " Preparing to Work Inside the Computer ."  2. Remove the display assembly .  3. Remove the keyboard .  4. Remove the palm rest .  5. Loosen the four M2.5 corner [...]