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Dell Latitude 100L Service Manual

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Dell Latitude 100L Service Manual

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  • Page 1 Thank you for purchasing this Factory Service Manual CD/DVD from servicemanuals4u.com. Please check out our eBay auctions for more great deals on Factory Service Manuals: servicemanuals4u...
  • Page 2 Abbreviations and Acronyms For a complete list of abbreviations and acronyms, see the Tell Me How help file. If you purchased a Dell™ n Series computer, any references in this document to Microsoft® Windows® operating systems are not applicable. file:///I|/SERVICE%20MANUALS/DELL%20MANUALS/LA...ok/Latitude/100L/100L_SERVICE_MANUAL/index.htm (1 of 2)6/21/2004 1:18:52 AM...
  • Page 3 Reproduction in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden. Trademarks used in this text: Dell, the DELL logo, TrueMobile, and Latitude are trademarks of Dell Inc.; Intel, Pentium, and Celeron are registered trademarks of Intel Corporation; Microsoft and Windows are registered trademarks of Microsoft Corporation.

  • Page 4: Before You Begin

    Computer" and "Before Working Inside Your Computer." You have read the safety information in your Dell™ System Information Guide. A component can be replaced by performing the removal procedure in reverse order. Recommended Tools The procedures in this document may require the following tools:...

  • Page 5: Before Working Inside Your Computer

    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: When you disconnect a cable, pull on its connector or on its strain-relief loop, not on the cable itself.
  • Page 6 Before You Begin: Dell Latitude 100L Service Manual NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack. 4. Disconnect any telephone or telecommunication lines from the computer.

  • Page 7: Computer Orientation

    Before You Begin: Dell Latitude 100L Service Manual battery see Mini RSL battery-bay latch release 7Y032 9. Remove any installed modules, including a second battery, if installed. 10. Remove the hard drive. Computer Orientation front right back left file:///I|/SERVICE%20MANUALS/DELL%20MANUALS/LA...ok/Latitude/100L/100L_SERVICE_MANUAL/begin.htm (4 of 7)6/21/2004 1:18:54 AM...

  • Page 8: Screw Identification

    Before You Begin: Dell Latitude 100L Service Manual Screw Identification When you are removing and replacing components, photocopy "Screw Identification" as a tool to lay out and keep track of the screws. The placemat provides the number of screws and their sizes.
  • Page 9 Before You Begin: Dell Latitude 100L Service Manual Hinge Bracket Display Bezel: Display Panel: to Computer Base: (5 each) (4 each) (4 each) Screw Covers (2 each) Display Bumpers (3 each) Display Latch: Top of Palm Rest to Palm Rest to...
  • Page 10 Before You Begin: Dell Latitude 100L Service Manual Left Antenna to Hard Drive and Optical Drive Cages (2 each) Back to Contents Page file:///I|/SERVICE%20MANUALS/DELL%20MANUALS/LA...ok/Latitude/100L/100L_SERVICE_MANUAL/begin.htm (7 of 7)6/21/2004 1:18:54 AM...

  • Page 11: System Components

    Dell™ Latitude™ 100L Service Manual CAUTION: 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 document assumes that a part can be replaced by performing the removal procedure in reverse order.

  • Page 12: Table Of Contents

    System Components: Dell Latitude 100L Service Manual display see Mini RSL 10 speakers 9U767 display flex cable see Mini RSL 11 base plastics J3285 hinge cover Y4006 12 battery see Mini RSL keyboard 5X932 13 CD or DVD drive see Mini RSL...

  • Page 13: Removing The Memory Modules

    Memory, CD or DVD Drive, Modem, and Mini PCI Card: Dell Latitude 100L Service Manual Back to Contents Page Memory, CD or DVD Drive, Modem, and Mini PCI Card Dell™ Latitude™ 100L Service Manual Memory CD or DVD Drive Modem...
  • Page 14 Memory, CD or DVD Drive, Modem, and Mini PCI Card: Dell Latitude 100L Service Manual 1 captive screw 2 memory module cover T1955 3. Use your fingertips to carefully spread apart the securing clips on each end of the memory module connector until the module pops up.

  • Page 15: Installing The Memory Modules

    Memory, CD or DVD Drive, Modem, and Mini PCI Card: Dell Latitude 100L Service Manual memory module see Mini RSL securing clips Installing the Memory Modules NOTE: If the memory module is not installed properly, the computer may not boot properly. No error message indicates this failure.

  • Page 16: Cd Or Dvd Drive

    Memory, CD or DVD Drive, Modem, and Mini PCI Card: Dell Latitude 100L Service Manual To confirm the amount of memory installed in the computer, click the Start button, click Help and Support, and then click Computer Information. CD or DVD Drive...
  • Page 17 Memory, CD or DVD Drive, Modem, and Mini PCI Card: Dell Latitude 100L Service Manual 4. Press the lever next to the memory module connectors in the direction of the arrow on the lever (towards the drive) to release the drive.

  • Page 18: Removing The Modem

    Memory, CD or DVD Drive, Modem, and Mini PCI Card: Dell Latitude 100L Service Manual Modem Removing the Modem CAUTION: Before working inside your Dell™ computer, read the safety instructions in your System Information Guide. CAUTION: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components.

  • Page 19: Installing The Modem

    Memory, CD or DVD Drive, Modem, and Mini PCI Card: Dell Latitude 100L Service Manual board and disconnect the modem cable. 1 modem cable connector 2 pull-tab 3 modem cable 4 M2 x 3-mm screws (2) 4270E Installing the Modem 1.

  • Page 20: Mini Pci Card

    Memory, CD or DVD Drive, Modem, and Mini PCI Card: Dell Latitude 100L Service Manual Mini PCI Card Removing the Mini PCI Card CAUTION: Before working inside your Dell™ computer, read the safety instructions in your System Information Guide. CAUTION:...

  • Page 21: Installing The Mini Pci Card

    Memory, CD or DVD Drive, Modem, and Mini PCI Card: Dell Latitude 100L Service Manual antenna cables metal securing tabs (2) Mini PCI card connector Mini PCI card see Mini RSL 4. Use your fingertips to carefully spread apart the securing taps on each end of the Mini PCI card connector until the card pops up.
  • Page 22 Memory, CD or DVD Drive, Modem, and Mini PCI Card: Dell Latitude 100L Service Manual antenna cables Mini PCI card connector Mini PCI card see Mini RSL 2. Connect the antenna cables to the Mini PCI card. NOTE: To prevent damage to the antenna cables, carefully fold the cables under the Mini PCI card before replacing the cover.

  • Page 23: Hard Drive

    NOTICE: Hard drives are extremely fragile; even a slight bump can damage the drive. NOTE: Dell does not guarantee compatibility or provide support for hard drives from sources other than Dell. 1. Follow the instructions in "Before Working Inside Your Computer."...

  • Page 24: Installing The Hard Drive

    Hard Drive: Dell Latitude 100L Service Manual M2.5 x 5-mm screws (2) 63PDH hard drive see Mini RSL NOTICE: When the hard drive is not in the computer, store it in protective antistatic packaging. See "Protecting Against Electrostatic Discharge" in your System Information Guide.
  • Page 25 Hard Drive: Dell Latitude 100L Service Manual NOTICE: Use firm and even pressure to slide the drive into place. If you use excessive force, you may damage the connector. 2. Insert the drive into the bay, and push the hard drive until it is fully seated in the bay.

  • Page 26: Removing The Keyboard

    Removing the Keyboard Installing the Keyboard Removing the Keyboard CAUTION: Before working inside your Dell™ computer, read the safety instructions in your System Information Guide. CAUTION: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components.
  • Page 27 Keyboard: Dell Latitude 100L Service Manual hinge cover Y4006 notched edge 3. Lift the hinge cover up and away from the hinges and computer base. 4. Remove the four M2 x 3-mm keyboard screws. file:///I|/SERVICE%20MANUALS/DELL%20MANUALS/LA...Latitude/100L/100L_SERVICE_MANUAL/keyboard.htm (2 of 5)6/21/2004 1:18:59 AM...

  • Page 28: Installing The Keyboard

    Keyboard: Dell Latitude 100L Service Manual 1 M2 x 3-mm screws (4) 4270E 2 keyboard 5X932 3 keyboard connector 4 interface connector NOTICE: The keycaps on the keyboard are fragile, easily dislodged, and time-consuming to replace. Be careful when removing and handling the keyboard.
  • Page 29 Keyboard: Dell Latitude 100L Service Manual NOTICE: To avoid damage to the connector pins, press the keyboard connector evenly into the interface connector on the system board, and do not reverse the keyboard connector. 1. Connect the keyboard connector of the replacement keyboard to the interface connector on the system board.
  • Page 30 Keyboard: Dell Latitude 100L Service Manual Back to Contents Page file:///I|/SERVICE%20MANUALS/DELL%20MANUALS/LA...Latitude/100L/100L_SERVICE_MANUAL/keyboard.htm (5 of 5)6/21/2004 1:18:59 AM...

  • Page 31: Emi Shield

    EMI Shield: Dell Latitude 100L Service Manual Back to Contents Page EMI Shield Dell™ Latitude™ 100L Service Manual CAUTION: Before performing the following procedures, read the safety instructions in your System Information Guide. CAUTION: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components.
  • Page 32 EMI Shield: Dell Latitude 100L Service Manual Back to Contents Page file:///I|/SERVICE%20MANUALS/DELL%20MANUALS/LA...20ok/Latitude/100L/100L_SERVICE_MANUAL/emi.htm (2 of 2)6/21/2004 1:19:00 AM...

  • Page 33: Display Assembly

    Display: Dell Latitude 100L Service Manual Back to Contents Page Display Dell™ Latitude™ 100L Service Manual Display Assembly Display Bezel Display Panel Display Latch Assembly Display Assembly CAUTION: Before performing the following procedures, read the safety instructions in your System Information Guide.
  • Page 34 Display: Dell Latitude 100L Service Manual not open past this position. 9. Pull straight up on the pull-tab that is attached to the display-feed flex cable to disconnect the cable from the system board. 10. Remove the two M2.5 x 5-mm screws from each hinge bracket.

  • Page 35: Display Bezel

    Display: Dell Latitude 100L Service Manual screw covers (2) 5W601 display bumpers (3) 9U288 M2.5 x 5-mm screws (5) 63PDH display bezel see Mini RSL display panel see Mini RSL M2 x 3-mm screws (8) 4270E top cover see Mini RSL...

  • Page 36: Display Panel

    Display: Dell Latitude 100L Service Manual CAUTION: Before performing the following procedures, read the safety instructions in your System Information Guide. CAUTION: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components.

  • Page 37: Installing The Display Panel

    Display: Dell Latitude 100L Service Manual 7. Press in both sides of the top flex-cable connector, and pull the top flex-cable connector away from the display connector. pull-tab on bottom flex-cable connector top flex-cable connector display connector inverter connector display cable see Mini RSL 8.
  • Page 38 Display: Dell Latitude 100L Service Manual 2. Connect the bottom flex-cable connector to the inverter connector. 3. Lay the display panel in the top cover. 4. Route the display-feed flex cable so that it rests in the notch located in the bottom edge of the top cover.
  • Page 39 Display: Dell Latitude 100L Service Manual spring hook (top cover) spring spring hook (display latch) display latch assembly see Mini RSL M2.5 x 5-mm screws (2) 63PDH top cover see Mini RSL Installing the Display Latch Assembly 1. Attach one end of the spring to the spring hook on the left edge of the display latch, and attach the other end of the spring to the spring hook in the top cover.

  • Page 40: Palm Rest

    Palm Rest: Dell Latitude 100L Service Manual Back to Contents Page Palm Rest Dell™ Latitude™ 100L Service Manual CAUTION: Before performing the following procedures, read the safety instructions in your System Information Guide. CAUTION: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components.
  • Page 41 Palm Rest: Dell Latitude 100L Service Manual 9. Turn the computer back over and remove the two M2.5 x 5-mm screws from the top of the palm rest. file:///I|/SERVICE%20MANUALS/DELL%20MANUALS/LA...Latitude/100L/100L_SERVICE_MANUAL/palmrest.htm (2 of 3)6/21/2004 1:19:02 AM...
  • Page 42 Palm Rest: Dell Latitude 100L Service Manual 10. Disconnect the touch pad connector from the system board. NOTICE: Carefully separate the palm rest from the base plastics to avoid damage to the palm rest. 11. Starting at the back center of the palm rest, use your fingers to separate the palm rest from the base plastics by lifting the inside edge of the palm rest.

  • Page 43: Removing The Microprocessor Thermal-Cooling Assembly

    Microprocessor Thermal-Cooling Assembly: Dell Latitude 100L Service Manual Back to Contents Page Microprocessor Thermal-Cooling Assembly Dell™ Latitude™ 100L Service Manual Removing the Microprocessor Thermal-Cooling Assembly Installing the Microprocessor Thermal-Cooling Assembly Removing the Microprocessor Thermal-Cooling Assembly CAUTION: Before performing the following procedures, read the safety instructions in your System Information Guide.
  • Page 44 Microprocessor Thermal-Cooling Assembly: Dell Latitude 100L Service Manual captive screws (4) fan power-cable connector 6. Pull up the microprocessor thermal-cooling assembly by the pull-tab to lift the assembly out of the system board. Installing the Microprocessor Thermal-Cooling Assembly NOTICE: Before you install the replacement microprocessor thermal-cooling assembly, remove the mylar that covers the thermal grease on the assembly.
  • Page 45 Microprocessor Thermal-Cooling Assembly: Dell Latitude 100L Service Manual that covers the thermal grease on the assembly. If you are installing the assembly that you removed in the previous section: a. Wipe the thermal grease off of the microprocessor thermal-cooling assembly with a clean paper towel.

  • Page 46: Microprocessor Module

    Microprocessor Module: Dell Latitude 100L Service Manual Back to Contents Page Microprocessor Module Dell™ Latitude™ 100L Service Manual Removing the Microprocessor Module Installing the Microprocessor Module Removing the Microprocessor Module CAUTION: Before performing the following procedures, read the safety instructions in your System Information Guide.

  • Page 47: Installing The Microprocessor Module

    Microprocessor Module: Dell Latitude 100L Service Manual ZIF-socket cam screw ZIF socket microprocessor module see Mini RSL pin-1 corner of microprocessor triangle on system board 6. Use a microprocessor extraction tool to remove the microprocessor module. Installing the Microprocessor Module...
  • Page 48 Microprocessor Module: Dell Latitude 100L Service Manual 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.

  • Page 49: Removing The Speakers

    Speakers: Dell Latitude 100L Service Manual Back to Contents Page Speakers Dell™ Latitude™ 100L Service Manual Removing the Speakers Installing the Speakers Removing the Speakers CAUTION: Before performing the following procedures, read the safety instructions in your System Information Guide.
  • Page 50 Speakers: Dell Latitude 100L Service Manual left speaker routing clips (3) speaker connector right speaker NOTICE: Remove the speaker cables from their routing clips with care to avoid damaging the cables. 9. Remove the speaker cables from under or between their routing clips.

  • Page 51: Installing The Speakers

    Speakers: Dell Latitude 100L Service Manual Installing the Speakers 1. Slide the speakers down into the base plastics. NOTICE: Ensure that the speaker cables are under or between their routing clips. NOTE: Speakers face out in the base plastics holders.

  • Page 52: System Board

    System Board: Dell Latitude 100L Service Manual Back to Contents Page System Board Dell™ Latitude™ 100L Service Manual Removing the System Board Installing the System Board Removing the System Board CAUTION: Before performing the following procedures, read the safety instructions in your System Information Guide.

  • Page 53: Battery Bay

    System Board: Dell Latitude 100L Service Manual 12. Remove the microprocessor. 13. Remove the speakers. 14. Remove the two M2.5 x 5-mm screws from the battery bay shield, and remove the shield. 1 battery bay 2 battery bay shield 3 M2.5 x 5-mm screws (2) 63PDH 15.
  • Page 54 System Board: Dell Latitude 100L Service Manual 1 M2.5 x 5-mm screws (2) 63PDH 2 chipset heat sink 3 M2.5 x 5-mm screws (2) 63PDH 4 optical drive cage 5 M2.5 x 5-mm screws (2) 63PDH 6 hard drive cage 18.
  • Page 55 System Board: Dell Latitude 100L Service Manual 1 optical drive cage 2 M2.5 x 6-mm screws (2) 7270E 3 left antenna 4 hard drive cage 19. Remove the two hex nuts that secure the video connector to the base plastics.

  • Page 56: Installing The System Board

    System Board: Dell Latitude 100L Service Manual 20. Lift the front of the system board out and away from the base plastics. Installing the System Board 1. Insert the video connector on the replacement system board through the back of the base plastics.
  • Page 57 System Board: Dell Latitude 100L Service Manual 9. Replace the microprocessor. NOTICE: Before you replace the microprocessor thermal-cooling assembly, wipe the thermal grease off of the assembly with a clean paper towel. Squeeze all of the contents of the thermal grease packet (provided with the kit) on to the microprocessor thermal-cooling assembly.

  • Page 58: Flashing The Bios

    Flashing the BIOS: Dell Latitude 100L Service Manual Back to Contents Page Flashing the BIOS Dell™ Latitude™ 100L Service Manual Flashing the BIOS From a Floppy Disk or a CD Flashing the BIOS From the Hard Drive If a BIOS update program floppy disk or CD is provided with the new system board, see "Flashing the BIOS From a Floppy Disk or a CD."...
  • Page 59 Flashing the BIOS: Dell Latitude 100L Service Manual 2. Boot up the computer. 3. Locate the latest BIOS update file for your computer at support.dell.com. 4. Click Download Now to download the file. 5. If the Export Compliance Disclaimer window appears, click Yes, I Accept this Agreement.

  • Page 60: Base Plastics

    Base Plastics: Dell Latitude 100L Service Manual Back to Contents Page Base Plastics Dell™ Latitude™ 100L Service Manual CAUTION: Before performing the following procedures, read the safety instructions in your System Information Guide. CAUTION: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components.

  • Page 61: Usb Connector

    Pinout Assignments for I/O Connectors: Dell Latitude 100L Service Manual Back to Contents Page Pinout Assignments for I/O Connectors Dell™ Latitude™ 100L Service Manual USB Connector Video Connector USB Connector Signal USB5V+ USBP– USBP+ Video Connector file:///I|/SERVICE%20MANUALS/DELL%20MANUALS/LA.../Latitude/100L/100L_SERVICE_MANUAL/pinouts.htm (1 of 2)6/21/2004 1:19:08 AM...
  • Page 62 Pinout Assignments for I/O Connectors: Dell Latitude 100L Service Manual Signal Signal CRT_R CRT_G CRT_B MONITOR_DETECT– DDC_DATA CRT_HS CRT_VS DDC_CLK Back to Contents Page file:///I|/SERVICE%20MANUALS/DELL%20MANUALS/LA.../Latitude/100L/100L_SERVICE_MANUAL/pinouts.htm (2 of 2)6/21/2004 1:19:08 AM...
  • Page 63 Mini Recommended Spares List: Dell Latitude 100L Service Manual Back to Contents Page Mini Recommended Spares List Dell™ Latitude™ 100L Service Manual NOTE: The part numbers listed below are subject to change. Bottom Base Parts T1955 memory door 1X045 modem/Mini PCI door...
  • Page 64 Mini Recommended Spares List: Dell Latitude 100L Service Manual Hard Drive and Accessories 1E321 20-G HDD, 4200 RPM D0743 20-G HDD, 5400 RPM 3E155 30-G HDD, 4200 RPM C2180 40-G HDD, 4200 RPM N1166 40-G HDD, 5400 RPM F2232 60-G HDD, 4200 RPM...
  • Page 65 Mini Recommended Spares List: Dell Latitude 100L Service Manual J3280 15-inch flex cable (for 15-inch XGA panels only) 9U288 rubber display bumpers (3) Memory 3Y180 128-MB DIMM (266) 3Y182 256-MB DIMM (266) 0K963 512-MB DIMM (266) Modem C1682 modem daughter card (MDC)
  • Page 66 Mini Recommended Spares List: Dell Latitude 100L Service Manual System Board F3542 system board assembly Wireless C2962 Kit, Modem, Wireless, GPRS, AWS, United States F2993 Kit, Modem, Wireless, GPRS, Vodafone, United Kingdom H2667 Kit, Modem, Wireless, GPRS, Vodafone, Sweden H2668...

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