HP (Hewlett-Packard) 4100 manual

® HP OmniBook 4100 Service Manual[...]

ii HP OmniBook 4100 Notice In a continuing effort to improve the quality of our products, technical and environmental information in this document is subject to change without notice. This manual and any examples contained herein are provided “as is” and are subject to change without notice. Hewlett-Packard Company makes no warranty of any kind[...]

HP OmniBook 4100 iii Contents 1. Product Information .................................................................................................. 1-1 Features and Operation ......................................................................................................... ......... 1-2 Turning the OmniBook On and Off ...................[...]

iv HP OmniBook 4100 Figures Figure 1-1. OmniBook - Front View .............................................................................................. ...... 1-2 Figure 1-2. OmniBook - Side View ............................................................................................... ...... 1-2 Figure 1-3. OmniBook - Rear View .........[...]

HP OmniBook 4100 v Table 3-2. Troubleshooting Suggestions......................................................................................... ..... 3-5 Table 3-3. OmniBook Diagnostic Error Codes .................................................................................. 3-1 4 Table 3-4. POST Terminal-Error Beep Codes ...................[...]

vi HP OmniBook 4100 Introduction This service manual provides reference information for the HP OmniBook 4100. It is intended to be used by HP-authorized service personnel in the installation, servicing, and repair of these products. The manual is designed as a self-paced guide. It is intended to train you to install, configure, and repair OmniBook [...]

HP OmniBook 4100 Product Information 1-1 1 Product Information The HP OmniBook 4100 provides desktop performance and expandability as well as convenient portability. It uses high-performance component technologies that make it capable of replacing a desktop computer or serving as a portable multimedia presentation tool. Table 1-1. OmniBook 4100 Mod[...]

1-2 Product Information HP OmniBook 4100 Features and Operation The following three illustrations point out the main external features of the computer. They are followed by highlights of the computer’s operation. For an internal, exploded view, see page 4-2. Figure 1-1. OmniBook - Front View Figure 1-2. OmniBook - Side View Audio jacks Keyboard s[...]

HP OmniBook 4100 Product Information 1-3 Figure 1-3. OmniBook - Rear View Table 1-2. Product Comparisons OmniBook 7100 OmniBook 4100 OmniBook 2100/3100 OmniBook 3000 Processor * Intel Pentium II (266 MHz), with MMX technology. 512-KB burst- synchronous L2 cache (high-speed bus). Intel Pentium II (266 or 233 MHz), or Pentium (266 MHz), with MMX tech[...]

1-4 Product Information HP OmniBook 4100 Turning the OmniBook On and Off • On. Press the blue power button to turn on the OmniBook. • Standby. The display turns off automatically if the computer is inactive for about 2 minutes. • Suspend. Click Start, Suspend (Windows 95) or press the blue power button briefly (about 1 second) to suspend acti[...]

HP OmniBook 4100 Product Information 1-5 Checking the Status of the OmniBook The main OmniBook status lights, located at the front-right edge of the display bezel at the top of the display, indicate power status and drive activity. (These lights are on the LED strip cable.) Table 1-4. Main Status Lights (LED Strip Cable) Meaning Power mode Steady g[...]

1-6 Product Information HP OmniBook 4100 Using Fn Hot Keys The Fn key combined with another key is a hot key—a shortcut key sequence for various system controls. For an external keyboard, CTRL+ALT is normally equivalent to the Fn key. Table 1-6. Fn Hot Keys Hot Key Effect Fn + F1 Decreases the display’s brightness. Fn + F2 Increases the display[...]

HP OmniBook 4100 Product Information 1-7 System Resources Below are default values for system resources. To see other, non-default possibilities, use the BIOS Setup utility (see page 3-23), which lists port and audio device configurations in the System Devices menu. The tables in this section show typical resource usage as set up by the OmniBook BI[...]

1-8 Product Information HP OmniBook 4100 Table 1-9. System Input/Output Addresses (100-3FF) 170-177 Internal CD-ROM drive (secondary IDE controller) 1F0-1F7 Internal hard disk (primary IDE controller) 220-22F Crystal sound 376 Internal CD-ROM drive (secondary IDE controller) 378-37F LPT1 (printer port) 388-38B Sound 3B0-3BB VGA adapter 3C0-3DF VGA [...]

HP OmniBook 4100 Product Information 1-9 Specifications The following tables list descriptions for the OmniBook and its accessories. Table 1-11. OmniBook 4100 Specifications Physical Attributes Size: 330.5mm×256.9mm×35-36.5mm (13.0"×10.1"×1.3-1.4"). Weight: 2.92 kg (6.45 lb). Processor and Bus Architecture 233/266-MHz Intel Penti[...]

1-10 Product Information HP OmniBook 4100 Preinstalled Software Microsoft Windows 95 or Windows NT 4.0. Windows 95-compatible Plug-and-Play. Windows NT 4.0 APM and PC Card Plug-and-Play. Advanced Power Management (APM 1.2). DMI 2.0 with HP TopTools 2.6. McAfee Virus Scan 3.1.5. Online documentation. OmniBook Recovery CD-ROM included. Centralized wo[...]

HP OmniBook 4100 Product Information 1-11 Table 1-12. OmniBook 4100 Accessories OmniBook 4100-Only Accessories F1474A F1472A F1473A F1466A F1467A F1475A F1470A 24X CD-ROM drive module. Floppy drive module. Floppy drive cable for external use. Lithium-ion battery (primary and secondary). 4.0-GB internal hard disk drive. 6.4-GB internal hard disk dri[...]

1-12 Product Information HP OmniBook 4100 Internal Design The motherboard PCA is the central component of the OmniBook design. It plays a role in virtually all system functions. The CPU module (MMO) and most other subsystems connect to the motherboard. The following figure shows the connections among the replaceable electrical modules. As a substit[...]

HP OmniBook 4100 Product Information 1-13 Table 1-13. Functional Structure Bootup CPU module Motherboard BIOS IC Floppy disk module Hard disk drive Main processor (MMO). Primary system circuitry. Code for basic system functions. First source of disk-based startup code. Second source of disk-based startup code. Processor CPU module Motherboard Main [...]

[...]

HP OmniBook 4100 Removal and Replacement 2-1 2 Removal and Replacement This chapter tells you how to remove and replace the following components and assemblies. The ones marked by • are user-replaceable. Table 2-1. Removal Cross-Reference Air vent cover (table on page 2-23). Audio jack cover (table on page 2-23). Audio jack PCA (table on page 2-2[...]

2-2 Removal and Replacement HP OmniBook 4100 Notes Reassembly steps are the reverse of the removal steps. Reassembly notes are included at the end of each section below. Symbols like this throughout this chapter show approximate full-size screw outlines. You can use them to verify the sizes of screws before you install them. Installing a wrong-size[...]

HP OmniBook 4100 Removal and Replacement 2-3 Removing the Battery or Plug-In Module (User-Replaceable) Required Equipment • None. Removal Procedure 1. Unplug the ac adapter, if present. 2. Slide forward the module latch slider on the corner next to the module, then swing back the latch to loosen the module. 3. Pull out the module. 4. Slide the la[...]

2-4 Removal and Replacement HP OmniBook 4100 Removing a RAM Board (User-Replaceable) Table 2-4. RAM Board Replacement Part Numbers Description Part Number Exchange Part Number RAM board, 32-MB 1818-7413 F1456-69100 RAM board, 64-MB 1818-7414 F1457-69100 Caution Handle the RAM board only by its edges and provide proper grounding. Otherwise, you may [...]

HP OmniBook 4100 Removal and Replacement 2-5 Removing the Hard Disk Drive (User-Replaceable) Table 2-5. Hard Disk Drive Replacement Part Numbers Description Part Number Exchange Part Number Drive, hard disk (4.0GB, IBM) 0950-2671 F1386-69100 Drive, hard disk (4.0GB, Toshiba) 0950-2865 F1386-69101 Drive, hard disk (6.4GB, IBM) 0950-2785 F1475-69100 [...]

2-6 Removal and Replacement HP OmniBook 4100 Figure 2-4. Installing a Hard Drive in the Cover Reassembly Notes Caution Do not cover the vent hole in the top surface of the hard drive or in the case. If you cover the hole, the hard drive could fail prematurely. • Pry out the connector corner of the case and insert the external connector and hard d[...]

HP OmniBook 4100 Removal and Replacement 2-7 3. Reboot the computer. If you are using the Recovery CD, press ESC during reboot to cancel the OmniBook screen, ESC to display the boot-device menu, then select the CD-ROM drive as the boot device. 4. When prompted, select “Create Hibernate Partition.” We recommend that you create a 96-MB partition,[...]

2-8 Removal and Replacement HP OmniBook 4100 Removing the Keyboard (HP Authorized Service Providers Only) Required Equipment • Small Phillips screwdriver. • Probe or tweezers. Removal Procedure 1. Unplug the ac adapter, if present, and remove the battery. 2. On the bottom of the unit, remove the seven “K” screws from the bottom case. 3. Ins[...]

HP OmniBook 4100 Removal and Replacement 2-9 Reassembly Notes Caution After connecting the keyboard and pointing stick flex cables, lean the keyboard forward and tuck the excess length of the keyboard flex cable under the strip cover behind the keyboard. If a stiffener tab is present on the larger cable, make sure its free end lays toward the front[...]

2-10 Removal and Replacement HP OmniBook 4100 Removing the Display Assembly (HP Authorized Service Providers Only) Required Equipment • Small Phillips screwdriver. Removal Procedure 1. Unplug the ac adapter, if present, and remove the battery. 2. On the back of the unit, lift up on the VGA connector cover above the VGA port and unsnap it from the[...]

HP OmniBook 4100 Removal and Replacement 2-11 Reassembly Notes Caution Install new screws for all screws you remove that hold the display hinges. Otherwise, the hinges could loosen over time. Hint • While attaching the LCD flex cable to the LVDS PCA, rest one corner of the display on the bottom case. • On the bottom case, the holes for the disp[...]

2-12 Removal and Replacement HP OmniBook 4100 6. Remove the two screws holding the LCD brackets and hinges near the bottom corners of the display case. Remove the combined hinges and strip cover. 7. On the plastic cable holder, unsnap the cover. 8. If present, unplug the flex cable that wraps around the inverter PCA to the left of the cable holder.[...]

HP OmniBook 4100 Removal and Replacement 2-13 Figure 2-7. Removing the Display Reassembly Notes Caution • Be sure to replace the LCD module or other display components with compatible parts. Components may be damaged if compatible parts are not used. See the table on page 2-11. • Install new screws for all screws you remove that hold the displa[...]

2-14 Removal and Replacement HP OmniBook 4100 • The extra length of LCD wires connecting to the inverter PCA is folded back along the PCA. • Snap in the end caps after the display is assembled. Caution At the lower-right corner of the LCD module, be careful the wires are not pinched where they pass next to the LCD bracket. Otherwise, they could[...]

HP OmniBook 4100 Removal and Replacement 2-15 Figure 2-8. Removing the Top Case Reassembly Notes Note: Installing a New Top Case Transfer the touch-pad support assembly from the old top case to the new one. • Before installing the screws, make sure the front edge of the plate is held by the four plastic tabs on the top case. • Check the click b[...]

2-16 Removal and Replacement HP OmniBook 4100 Removing the Motherboard or Bottom Case (HP Authorized Service Providers Only) Required Equipment • Small Phillips screwdriver. • 5-mm hex driver (or 3/16 inch). Removal Procedure 1. Unplug the ac adapter, if present, and remove the battery. 2. Remove these additional assemblies: • Floppy module o[...]

HP OmniBook 4100 Removal and Replacement 2-17 Hint In the next step, while removing the motherboard, reach through the RAM opening and separate the case from the PCA. Otherwise, the PCA sticks in the bottom case. 19. Lift the front edge of the motherboard until it clears the hard drive compartment in the bottom case and frees itself from the bottom[...]

2-18 Removal and Replacement HP OmniBook 4100 Reassembly Notes Note: Installing a New Motherboard • If a RAM board is present, transfer it from the old motherboard to the new one: • Reprogram the BIOS IC—see the note below. • Store the serial number electronically in the new motherboard—see the steps below. Note: Installing a New Bottom C[...]

HP OmniBook 4100 Removal and Replacement 2-19 Figure 2-10. Installing Docking Doors and Module Latch Figure 2-11. Positioning Thermal Pads Storing the Serial Number Electronically 1. Exit Windows and boot to a DOS prompt. 2. Run ESN.EXE from one of these sources: On a factory software installation, change to the OMNIBOOK directory and type esn at [...]

2-20 Removal and Replacement HP OmniBook 4100 3. While holding the paper label in place, attach a serial label overlay into the outer recess. It covers and protects the serial label. Removing the BIOS IC (HP Authorized Service Providers Only) Note A replacement BIOS IC contains only enough basic programming to boot the OmniBook. After installing th[...]

HP OmniBook 4100 Removal and Replacement 2-21 Reassembly Notes Caution • Replace the BIOS IC with one that is compatible with the CPU module—see the table on page 4-3. • Align the IC with the slot in the socket. The IC is keyed to fit correctly. If you insert the IC backward, the IC or motherboard could be damaged. • Press down firmly on th[...]

2-22 Removal and Replacement HP OmniBook 4100 Component Removal Procedures Additional Steps (See figure on page 4-5) Display Latch (part of display case kit) Display (page 2-10). 1. For a 13-inch display, do not remove the LCD module, but remove the display assembly and bezel (page 2-11). For a 14-inch display, remove the LCD module and brackets fr[...]

HP OmniBook 4100 Removal and Replacement 2-23 Table 2-9. Removing Top Case Components Component Removal Procedures Additional Steps Keyboard See page 2-8. Strip Cover Display (page 2-10). Unsnap the strip cover from the hinge covers. Top Case See page 2-14. Touch-Pad Flex Cable Plug-in module (page 2-3). Hard drive (page 2-5). Keyboard (page 2-8). [...]

2-24 Removal and Replacement HP OmniBook 4100 Component Removal Procedures Additional Steps (See figures on pages 4-2, 4-6) CPU Bottom Plate Keyboard (page 2-8). 1. Remove the screw from the heatsink cover and lift it off the heatpipe. 2. Remove the screws from the CPU top plate, then lift the right half of the complete CPU assembly so it unplugs f[...]

HP OmniBook 4100 Removal and Replacement 2-25 Component Removal Procedures Additional Steps (See figures on pages 4-2, 4-6) Frame, Left Plug-in module (page 2-3). Hard drive (page 2-5). Keyboard (page 2-8). Display (page 2-10). Top case (page 2-14). 1. Remove the screw holding the heat exchange cover to the frame and remove the cover. 2. Lift off t[...]

2-26 Removal and Replacement HP OmniBook 4100 Component Removal Procedures Additional Steps (See figures on pages 4-2, 4-6) Speaker, Left Plug-in module (page 2-3). Hard drive (page 2-5). Keyboard (page 2-8). Display (page 2-10). Top case (page 2-14). 1. Remove the screw holding the heat exchange cover to the frame and remove the cover. 2. Lift off[...]

HP OmniBook 4100 Troubleshooting and Diagnostics 3-1 3 Troubleshooting and Diagnostics This chapter includes troubleshooting and diagnostic information for testing the functionality of the OmniBook and identifying faulty modules: • Troubleshooting information Troubleshooting the problem (page 3-2). Verifying the repair (page 3-3). Suggestions for[...]

3-2 Troubleshooting and Diagnostics HP OmniBook 4100 Troubleshooting The suggestions in this section can help isolate and repair the cause of a problem. To ensure quality repair, HP recommends that you follow the basic troubleshooting steps shown in the illustration below. Figure 3-1. Basic Troubleshooting Steps Troubleshooting the Problem Record p[...]

HP OmniBook 4100 Troubleshooting and Diagnostics 3-3 • Separate Problems. If there is more than one symptom, separate them into distinct problems. • Consider Causes. Keep in mind possible causes for each problem. Use the diagnostic tools and troubleshooting suggestions to help find possible causes. The OmniBook diagnostic program is the primary[...]

3-4 Troubleshooting and Diagnostics HP OmniBook 4100 Suggestions for Troubleshooting Table 3-1. Scope of Diagnostic Tools Function OmniBook Diagnostics Power-On Self-Test Sycard PCCtest 450 DMI/TopTools (if installed) BIOS Setup Bootup Tests Describes (SafeTools) Configures Processor Tests (System menu) Tests Describes (AssetTools) Memory Tests (Me[...]

HP OmniBook 4100 Troubleshooting and Diagnostics 3-5 If you can’t isolate the cause of a problem using the diagnostic tools, you can use the suggestions in the following table to help find the problem. Table 3-2. Troubleshooting Suggestions Symptom Call Center: Suggestions Repair Center: Likely Causes Repair Center: Comments To help determine lik[...]

3-6 Troubleshooting and Diagnostics HP OmniBook 4100 Symptom Call Center: Suggestions Repair Center: Likely Causes Repair Center: Comments Sluggish startup or shutdown Run ScanDisk and Disk Defragmenter to check and optimize the hard drive. Delete temporary and unneeded files. Use same suggestions shown at left. Password has been forgotten Verify p[...]

HP OmniBook 4100 Troubleshooting and Diagnostics 3-7 Symptom Call Center: Suggestions Repair Center: Likely Causes Repair Center: Comments Erratic display LCD cable or connections. LCD module. Bright or missing pixels or lines See quality statement on page 5-2. LCD module. LCD cable or connections. See quality statement on page 5-2. Hard disk Hard [...]

3-8 Troubleshooting and Diagnostics HP OmniBook 4100 Symptom Call Center: Suggestions Repair Center: Likely Causes Repair Center: Comments PS/2 keyboard and mouse with Y- adapter do not work Check devices separately. Y-adapter. PS/2 device. Motherboard. Pointing stick General problems Check settings in Control Panel. Check that the pointing stick i[...]

HP OmniBook 4100 Troubleshooting and Diagnostics 3-9 Symptom Call Center: Suggestions Repair Center: Likely Causes Repair Center: Comments Sound does not record Check settings in BIOS Setup. Check software controls for microphone—it should not be muted in recording panel. Note: The microphone should normally be muted in the master output panel. I[...]

3-10 Troubleshooting and Diagnostics HP OmniBook 4100 Symptom Call Center: Suggestions Repair Center: Likely Causes Repair Center: Comments AC adapter Does not power the OmniBook Try another ac adapter, if available. AC adapter. DC-DC PCA. Motherboard. The ac adapter is not repairable—it must be replaced. Miscellaneous Clock loses time Plug in ac[...]

HP OmniBook 4100 Troubleshooting and Diagnostics 3-11 Symptom Call Center: Suggestions Repair Center: Likely Causes Repair Center: Comments General plug-in module problems Check module contacts. Push system-off button. Plug-in module or contacts. Motherboard. Plug-in modules are not repairable—they must be exchanged.[...]

3-12 Troubleshooting and Diagnostics HP OmniBook 4100 Diagnostic Tools This section describes the following diagnostic tools you can use for troubleshooting and repairing the OmniBook: • OmniBook hardware diagnostic program (below). • Power-on self-test (page 3-17). • Sycard PCCtest 450 PC Card (page 3-20). • Desktop Management Interface (p[...]

HP OmniBook 4100 Troubleshooting and Diagnostics 3-13 • On any computer with World Wide Web access, download the diagnostic software package from the OmniBook website (see page vi), run this file to unpack the files, then run diaginst to create the diagnostic disk. Running the Diagnostic Test 1. Insert the diagnostic disk in the floppy drive. 2. [...]

3-14 Troubleshooting and Diagnostics HP OmniBook 4100 Note that the serial and parallel port tests are more thorough if you connect a loopback connector to the port before running the test for that port. See the wiring diagrams below. 14 1 25 13 6 1 9 5 Figure 3-3. Serial and Parallel Loopback Connectors Interpreting the Results • The following t[...]

HP OmniBook 4100 Troubleshooting and Diagnostics 3-15 0181h Replace the CPU module. 0182h Make sure that another application is not using all extended memory allocated by HIMEM.SYS. 0183h No extended memory. Check installation of the RAM board. Replace the motherboard. 0190h - 01A0h For 01FFFFFFh and below, replace the motherboard. For 02000000h an[...]

3-16 Troubleshooting and Diagnostics HP OmniBook 4100 Parallel Port Tests 0701h For the external loopback test, make sure the loopback connector is installed and constructed properly. For the external or internal loopback test, replace the motherboard. 0702h Replace the motherboard. 0703h Run BIOS Setup and disable ECP for the parallel port, then r[...]

HP OmniBook 4100 Troubleshooting and Diagnostics 3-17 Power-On Self-Test Note If Quiet Boot is enabled in BIOS Setup (the default setting), press ESC during boot to see POST messages. The POST (Power-On Self-Test) is a series of initialization routines and diagnostic tests that the system BIOS runs when the computer boots. The system BIOS will not [...]

3-18 Troubleshooting and Diagnostics HP OmniBook 4100 Table 3-5. POST Messages Message Description 0200 Failure Fixed Disk Fixed disk is not working or not configured properly. Check to see if fixed disk is attached properly. Run Setup. Find out if the fixed-disk type is correctly identified. 0210 Stuck key Stuck key on keyboard. 0211 Keyboard erro[...]

HP OmniBook 4100 Troubleshooting and Diagnostics 3-19 Message Description 02F7: Fail-Safe Timer NMI Failed ServerBIOS2 test error: Fail-Safe Timer takes too long. device Address Conflict Address conflict for specified device. Allocation Error for: device Run ISA or EISA Configuration Utility to resolve resource conflict for the specified device. CD[...]

3-20 Troubleshooting and Diagnostics HP OmniBook 4100 Sycard PCCtest 450 CardBus Card (Optional) The PCCtest 450 CardBus Card (version 1.05) available from Sycard Technology is an optional diagnostic tool. It is the only recommended tool that tests the functionality of the PCMCIA slots. It is a Type II CardBus Card that works with compatible test s[...]

HP OmniBook 4100 Troubleshooting and Diagnostics 3-21 Desktop Management Interface (DMI) The Desktop Management Interface (DMI) is basically a set of rules for accessing information about a personal computer. Using DMI, an application program can determine, for example, which hardware and software components are present in a personal computer, the [...]

3-22 Troubleshooting and Diagnostics HP OmniBook 4100 Hewlett-Packard has developed a number of extensions to DMI to allow the enhanced features of HP OmniBook computer to be managed with DMI, including features such as passwords and tattooing (identifying a computer using a unique string of characters). For full details of the structure of the MIF[...]

HP OmniBook 4100 Troubleshooting and Diagnostics 3-23 BIOS Setup Utility The BIOS Setup utility provides access to basic configuration settings. It is independent of the operating system. Running the BIOS Setup Utility 1. Close all applications, then shut down Windows and reboot the OmniBook. If necessary, you can press CTRL+ALT+DEL to reboot. 2. D[...]

3-24 Troubleshooting and Diagnostics HP OmniBook 4100 Infrared Port Sets how the infrared port is configured by the BIOS (specified or automatic). Disabled Mode Sets the hardware to support SIR (Standard IR), ASK IR (amplitude shift keyed IR), or FIR (Fast IR) infrared communications. (Driver installation required.) SIR Base I/O address Sets the I/[...]

HP OmniBook 4100 Troubleshooting and Diagnostics 3-25 Time-out on AC Sets whether power management time-outs occur while the ac adapter is connected. Disabled Power Button Mode Sets the action of the blue power button when pressed for less than 4 seconds. Suspend Resume on Modem Ring Sets whether the system resumes from Suspend if a ring signal is [...]

[...]

HP OmniBook 4100 Replaceable Parts 4-1 4 Replaceable Parts This chapter contains an exploded view of the OmniBook and the following lists of parts: • OmniBook replaceable parts (page 4-2). • Assembly-component breakout (page 4-7) • Accessory replacement parts (page 4-7). • Part number reference (page 4-8).[...]

4-2 Replaceable Parts HP OmniBook 4100 Figure 4-1. Exploded View Motherboard components (see page 4-6) Display components (see page 4-5)[...]

HP OmniBook 4100 Replaceable Parts 4-3 Table 4-1. OmniBook Replaceable Parts Description Part Number Exchange Part Number User- Replaceable 1 Assembly, touch-pad support * F1460-60947 2 Battery, lithium-ion F1466-80001 Yes 3 Bezel, display (LG 14") F1460-60967 3 Bezel, display (Samsung 13") F1460-60969 4 Cable, LCD flex (LG 14") F146[...]

4-4 Replaceable Parts HP OmniBook 4100 Description Part Number Exchange Part Number User- Replaceable 34 Keyboard, Spanish F1460-60925 34 Keyboard, Swedish F1460-60929 34 Keyboard, Swiss F1460-60928 34 Keyboard, UK English F1460-60931 34 Keyboard, US English F1460-60921 35 Kit, display case (latch, spring, cable holder/cover) F1460-60971 36 Kit, do[...]

HP OmniBook 4100 Replaceable Parts 4-5 Figure 4-2. Display Components Note: 14-inch display shown. For a 13-inch display, the LCD flex cable and other details differ.[...]

4-6 Replaceable Parts HP OmniBook 4100 Figure 4-3. Motherboard Components[...]

HP OmniBook 4100 Replaceable Parts 4-7 Table 4-2. Assembly-Component Breakdown Assembly Part Number Exchange Part Number Components Part Number Included in Assembly Case, bottom F1460-60961 Cover, RAM/BIOS F1460-80013 No Docking doors F1460-60964 No Feet (2) F1460-60991 Yes I/O door F1460-60965 No Label, regulatory/ business card F1460-60962 No Ove[...]

4-8 Replaceable Parts HP OmniBook 4100 Table 4-4. Part Number Reference Part Number Exchange Part Number Description User- Replaceable Cap, end (display) Cover, screw (lower, flat) Yes Cover, screw (upper, domed) Yes Screw, M2×3.5mm Screw, M3×4mm Standoff, VGA Thermal pads, Pentium (T) Thermal pads, Pentium II (MD) 0950-2671 F1386-69100 Drive, ha[...]

HP OmniBook 4100 Replaceable Parts 4-9 Part Number Exchange Part Number Description User- Replaceable F1460-60924 Keyboard, German F1460-60925 Keyboard, Spanish F1460-60926 Keyboard, Italian F1460-60927 Keyboard, French-Canadian F1460-60928 Keyboard, Swiss F1460-60929 Keyboard, Swedish F1460-60930 Keyboard, Norwegian F1460-60931 Keyboard, UK Englis[...]

4-10 Replaceable Parts HP OmniBook 4100 Part Number Exchange Part Number Description User- Replaceable F1460-60983 Screw, M3×3mm F1460-60984 Screw, M2.5×5mm F1460-60985 Screw, M2.5×19mm F1460-60986 Screw, M2.5×16mm F1460-60987 Screw, M2.5×5mm F1460-60988 Screw, M2×14mm F1460-60989 Screw, M2×4mm F1460-60990 Screw, M2.5×4mm F1460-60991 Foot, [...]

HP OmniBook 4100 Reference Information 5-1 5 Reference Information This chapter includes the following reference information: • Password removal policy. • Display quality statement. Password Removal Policy If the user forgets the system password, the user calls Technical Support to determine the proper removal procedure. The user must provide p[...]

5-2 Reference Information HP OmniBook 4100 Hewlett-Packard Display Quality Statement TFT display manufacturing is a high precision but imperfect technology and manufacturers cannot currently produce large displays that are cosmetically perfect. Most, if not all, TFT displays will exhibit some level of cosmetic imperfection. These cosmetic imperfect[...]

HP OmniBook 4100 Reference Information 5-3 Table 5-1. OmniBook 4100 LCD Guidelines (TFT) Type of Imperfection Imperfections Not Allowed LG 14" TFT, XGA Electrical Imperfections: Bright dots (a) Dark dots (a) • 7 or more single bright dots. • 7 or more single dark dots. • 3 or more double bright dots. • 3 or more double dark dots. • 1[...]

[...]

[...]

1. Product Information 2. Removal and Replacement 3. Troubleshooting and Diagnostics 4. Replaceable Parts 5. Reference Information Part Number F1460-90020 Printed in U.S.A. 4/98[...]