Dell Latitude C800 Service Manual
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Dell Latitude C800 Service Manual

Dell Latitude C800 Service Manual

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Dell Latitude C800 Service Manual
Dell™ Latitude™ C800 Service Manual
Before You Begin
Preparing to Work Inside the Computer
Recommended Tools
Screw Identification
Removing and Replacing Parts
System Components
Hard Drive
Fixed Optical Drive
Memory Module
Mini PCI Card Assembly
Keyboard Assembly
Display and Bezel Assemblies
Microprocessor Thermal Cooling Assembly
Microprocessor Module
Video Graphics Board
Palmrest Assembly
Reserve Battery
System Board Assembly
Battery and Modular Bay Latch Assemblies
Battery Charger Board
LED Board
Fan Assembly
RJ-11/RJ-45 Board
Notes, Notices, and Cautions
NOTE:
A NOTE indicates important information that helps you make better use
of your computer system.
NOTICE:
A NOTICE indicates either potential damage to hardware or loss of
data and tells you how to avoid the problem.
file:///F|/Service%20Manuals/Dell/Latitude/c800/index.htm (1 of 2) [2/28/2004 8:00:00 AM]

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  • Page 1 A NOTE indicates important information that helps you make better use of your computer system. NOTICE: A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. file:///F|/Service%20Manuals/Dell/Latitude/c800/index.htm (1 of 2) [2/28/2004 8:00:00 AM]...

  • Page 2: Before You Begin

    Preparing to Work Inside the 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: To avoid damaging the computer, perform the following steps before you begin working inside the computer.

  • Page 3: Recommended Tools

    Before You Begin : Dell Latitude C800 Service Manual 8. Remove any installed PC Cards or plastic blanks from the PC Card slot. 9. Close the display and turn the computer upside down on a flat work surface. 10. Remove the battery from the battery bay.

  • Page 4: Screw Identification

    Before You Begin : Dell Latitude C800 Service Manual Screw Identification When you are removing and replacing components, photocopy the placemat as a tool to lay out and keep track of the component screws.The placemat provides the number of screws and the sizes.
  • Page 5 Before You Begin : Dell Latitude C800 Service Manual NOTICE: When reinstalling a screw, you must use a screw of the correct diameter and length. Make sure that the screw is properly aligned with its corresponding hole, and avoid overtightening.
  • Page 6 Before You Begin : Dell Latitude C800 Service Manual Display Bezel: Display Panel to Display Video Graphics Mounting Bracket: Board: Rubber screw covers (4 each) M2.0 x 3 mm(6 each) M2.5 x 8 (3 each) Plastic screw covers (2 each) M2.5 x 4 mm (6 each)
  • Page 7 Before You Begin : Dell Latitude C800 Service Manual file:///F|/Service%20Manuals/Dell/Latitude/c800/ch1.htm (6 of 6) [2/28/2004 8:00:10 AM]...

  • Page 8: Removing And Replacing Parts

    Removing and Replacing Parts : Dell Latitude C800/C805 Service Manual Back to Contents Page Removing and Replacing Parts Dell™ Latitude™ C800/C805 Service Manual System Components Video Graphics Board Hard Drive Palmrest Assembly Fixed Optical Drive Reserve Battery Memory Module System Board Assembly...
  • Page 9 Removing and Replacing Parts : Dell Latitude C800/C805 Service Manual file:///F|/Service%20Manuals/Dell/Latitude/c800/ch2.htm (2 of 49) [2/28/2004 8:00:16 AM]...

  • Page 10: Hard Drive

    Removing and Replacing Parts : Dell Latitude C800/C805 Service Manual 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 manual assumes that a part can be replaced by performing the removal procedure in reverse order.

  • Page 11: Removing The Hard Drive

    Removing and Replacing Parts : Dell Latitude C800/C805 Service Manual Removing the Hard Drive 1. Follow the instructions in "Preparing to Work Inside the Computer." 2. Remove the drive door screw. 3. Pull the hard drive out. Replacing the Hard Drive 1.

  • Page 12: Removing The Fixed Optical Drive

    Removing and Replacing Parts : Dell Latitude C800/C805 Service Manual Fixed Optical Drive NOTICE: Disconnect the computer and attached devices from the electrical outlet and remove any installed batteries. NOTICE: To avoid ESD, ground yourself by using a wrist grounding strap or by periodically touching unpainted metal on the computer.

  • Page 13: Removing The Memory Module Cover

    Removing and Replacing Parts : Dell Latitude C800/C805 Service Manual NOTICE: To keep the pull tab from catching on the captive screw, turn the computer over before removing the fixed optical drive. 3. Turn the computer over, pull out the pull tab, and use the pull tab to remove the fixed optical drive.

  • Page 14: Memory Modules

    Removing and Replacing Parts : Dell Latitude C800/C805 Service Manual 1. Follow the instructions in "Preparing to Work Inside the Computer." 2. Remove the screw. 3. Disengage the metal tabs at the opposite end of the cover. Memory Modules file:///F|/Service%20Manuals/Dell/Latitude/c800/ch2.htm (7 of 49) [2/28/2004 8:00:16 AM]...

  • Page 15: Removing The Memory Modules

    Removing and Replacing Parts : Dell Latitude C800/C805 Service Manual Removing the Memory Modules 1. Remove the memory module cover. 2. To release a memory module from its socket, spread apart the tabs at each side of the module until the module pops up slightly.

  • Page 16: Mini Pci Card Assembly

    Removing and Replacing Parts : Dell Latitude C800/C805 Service Manual 2. Insert the memory module's edge connector into the socket slot at a 45-degree angle and press the module firmly into the slot. 3. Pivot the module down until it clicks into place. If you do not hear a click, remove the module and reinstall it.

  • Page 17: Removing The Mini Pci Card Assembly

    Removing and Replacing Parts : Dell Latitude C800/C805 Service Manual Removing the Mini PCI Card Assembly 1. Follow the instructions in "Preparing to Work Inside the Computer." 2. Remove the Mini PCI Card cover. 3. To release the Mini PCI Card assembly, spread the metal securing tabs until the assembly pops up slightly.
  • Page 18 Removing and Replacing Parts : Dell Latitude C800/C805 Service Manual harness to the Mini PCI Card assembly, or connect the mini-coax antenna cable from the Mini PCI Card assembly to the internal antenna. NOTICE: The connectors are keyed for correct insertion; do not force the connections.

  • Page 19: Keyboard Assembly

    Removing and Replacing Parts : Dell Latitude C800/C805 Service Manual NOTICE: If a wireless NIC card contains two mini-coax antenna connectors, connect the mini-coax antenna cable to the outermost antenna connector on the card as shown. NOTICE: If you are installing a wireless NIC, fold and tuck the unused wiring harness into the slot so it does not interfere with the cover.

  • Page 20: Removing The Keyboard Assembly

    Removing and Replacing Parts : Dell Latitude C800/C805 Service Manual NOTICE: Disconnect the computer and attached devices from electrical outlets and remove any installed batteries. NOTICE: To avoid ESD, ground yourself by using a wrist grounding strap or by periodically touching unpainted metal on the computer.

  • Page 21: Keyboard Removal

    Removing and Replacing Parts : Dell Latitude C800/C805 Service Manual NOTICE: Be careful when handling the keyboard. The keycaps are fragile, easily dislodged, and time-consuming to replace. 4. Use a nonmarring tool under the blank key to pry up the keyboard.

  • Page 22: Replacing The Keyboard Assembly

    Removing and Replacing Parts : Dell Latitude C800/C805 Service Manual 6. Pivot the keyboard and balance it upright on the left side of the computer. Keyboard Cable 7. Disconnect the keyboard cable and lay the keyboard assembly aside. Replacing the Keyboard Assembly 1.

  • Page 23: Display And Bezel Assemblies

    Removing and Replacing Parts : Dell Latitude C800/C805 Service Manual NOTICE: Position the keyboard/track stick flex cable so it is not pinched when you replace the keyboard in the bottom case assembly. 2. Insert the metal tabs at the left end of the keyboard under the edge of the bottom case assembly, and fit the keyboard into place.

  • Page 24: Removing The Hinge Cover

    Removing and Replacing Parts : Dell Latitude C800/C805 Service Manual Removing the Hinge Cover Hinge Cover file:///F|/Service%20Manuals/Dell/Latitude/c800/ch2.htm (17 of 49) [2/28/2004 8:00:16 AM]...

  • Page 25: Removing The Display Assembly

    Removing and Replacing Parts : Dell Latitude C800/C805 Service Manual 1. Follow the instructions in "Preparing to Work Inside the Computer." 2. Use a nonmarring tool to loosen the hinge cover at the back and at each side of the computer.
  • Page 26 Removing and Replacing Parts : Dell Latitude C800/C805 Service Manual 1. Remove the hinge cover. NOTICE: Make sure you remove the flex cable before you remove the display assembly. Flex Cable file:///F|/Service%20Manuals/Dell/Latitude/c800/ch2.htm (19 of 49) [2/28/2004 8:00:16 AM]...
  • Page 27 Removing and Replacing Parts : Dell Latitude C800/C805 Service Manual 2. Remove the 6-mm screw that secures the display flex cable to the strain relief, and then use the pull loop to remove the display flex cable from the graphics card.

  • Page 28: Removing The Display Assembly Bezel

    Removing and Replacing Parts : Dell Latitude C800/C805 Service Manual Removing the Display Assembly Bezel 1. Use a scribe to pry out the four rubber screw covers located across the top of the bezel. file:///F|/Service%20Manuals/Dell/Latitude/c800/ch2.htm (21 of 49) [2/28/2004 8:00:16 AM]...

  • Page 29: Removing The Display Panel

    Removing and Replacing Parts : Dell Latitude C800/C805 Service Manual 2. Remove the four 4-mm screws located across the top of the bezel. 3. Use a scribe at the indentations to pry out the two plastic screw covers located at the bottom of the bezel.

  • Page 30: Replacing The Display Panel

    Removing and Replacing Parts : Dell Latitude C800/C805 Service Manual Replacing the Display Panel NOTE: Use a magnetic screwdriver to reassemble the display panel in the display. 1. Connect the flex cable to the two connectors on the back of the display panel.

  • Page 31: Removing The Display Latch

    Removing and Replacing Parts : Dell Latitude C800/C805 Service Manual 3. Reinstall the 4-mm screw that secures the flex cable mounting bracket to the top cover. 4. Starting on the left side, use a magnetic screwdriver to reinstall the six 3-mm screws that secure the display panel in the top cover.

  • Page 32: Microprocessor Thermal Cooling Assembly

    Removing and Replacing Parts : Dell Latitude C800/C805 Service Manual 4. Remove the display panel from the top cover. 5. Remove the display latch by unsnapping the latch and captive spring. Microprocessor Thermal Cooling Assembly NOTICE: Disconnect the computer and attached devices from electrical outlets and remove any installed batteries.
  • Page 33 Removing and Replacing Parts : Dell Latitude C800/C805 Service Manual Assembly 1. Follow the instructions in "Preparing to Work Inside the Computer." 2. Remove the keyboard. 3. Remove the hinge cover. 4. Insert a flat-blade screwdriver into the latch mechanism at the left side of the microprocessor retaining clip.

  • Page 34: Removing The Microprocessor Module

    Removing and Replacing Parts : Dell Latitude C800/C805 Service Manual Microprocessor Module NOTICE: Disconnect the computer and attached devices from electrical outlets and remove any installed batteries. NOTICE: To avoid ESD, ground yourself by using a wrist grounding strap or by periodically touching unpainted metal on the computer.
  • Page 35 Removing and Replacing Parts : Dell Latitude C800/C805 Service Manual NOTICE: To ensure maximum cooling for the microprocessor, do not touch the heat transfer areas on the thermal cooling assembly. The oils in your skin reduce the heat transfer capability of the thermal pads.

  • Page 36: Replacing The Microprocessor Module

    Removing and Replacing Parts : Dell Latitude C800/C805 Service Manual b. Use the microprocessor extraction tool to remove the microprocessor module. Replacing the Microprocessor Module NOTICE: If you received a flash BIOS update program diskette or CD with the replacement microprocessor, you must update the BIOS after replacing the microprocessor module.
  • Page 37 Removing and Replacing Parts : Dell Latitude C800/C805 Service Manual NOTICE: Hold the microprocessor down while turning the cam lock screw to prevent intermittent contact between the cam lock screw and microprocessor (see "Microprocessor Cam Lock Screw"). 2. Tighten the cam lock screw.

  • Page 38: Removing The Video Graphics Board

    Removing and Replacing Parts : Dell Latitude C800/C805 Service Manual the clip to close the latch. Video Graphics Board NOTICE: Disconnect the computer and attached devices from electrical outlets and remove any installed batteries. NOTICE: To avoid ESD, ground yourself by using a wrist grounding strap or by periodically touching unpainted metal on the computer.

  • Page 39: Replacing The Video Graphics Board

    5. Remove the three 8-mm screws that secure the video graphics board. 6. Separate the video graphics board from the system board connector. Replacing the Video Graphics Board 1. Align the three screw holes and press down firmly on the word "Dell" to seat the board in its connector. NOTICE: Make sure the board is correctly and firmly seated before continuing.

  • Page 40: Removing The Palmrest Assembly

    Removing and Replacing Parts : Dell Latitude C800/C805 Service Manual NOTICE: The reserve battery provides power to the computer's time RTC and NVRAM when the computer is turned off. Removing the palmrest disconnects the reserve battery and causes the computer to lose the date and time information as well as all user-specified parameters in NVRAM.
  • Page 41 Removing and Replacing Parts : Dell Latitude C800/C805 Service Manual NOTICE: To avoid damaging the palmrest assembly, you must first remove the display assembly. 6. Turn the computer over. 7. Remove the nine 20-mm screws (labeled with a "circle P") that secure the palmrest to the computer.

  • Page 42: Reserve Battery

    Removing and Replacing Parts : Dell Latitude C800/C805 Service Manual 10. Carefully lift out the palmrest assembly. Reserve Battery NOTICE: Disconnect the computer and attached devices from electrical outlets and remove any installed batteries. NOTICE: To avoid ESD, ground yourself by using a wrist grounding strap or by periodically touching unpainted metal on the computer.

  • Page 43: Removing The Reserve Battery

    Removing and Replacing Parts : Dell Latitude C800/C805 Service Manual Removing the Reserve Battery 1. Follow the instructions in "Preparing to Work Inside the Computer." 2. Remove the keyboard. 3. Remove the hinge cover. 4. Remove the display assembly. 5. Remove the palmrest assembly.

  • Page 44: Replacing The Reserve Battery

    Removing and Replacing Parts : Dell Latitude C800/C805 Service Manual 9. Disconnect the reserve battery cable. 10. Remove the reserve battery: a. Pry the reserve battery free from the metal palmrest bracket. b. Remove the foam-pad remnants from the palmrest bracket.

  • Page 45: Removing The System Board

    Removing and Replacing Parts : Dell Latitude C800/C805 Service Manual The system board's BIOS chip contains the system service tag number, which is also visible on a bar-code label on the bottom of the computer. The replacement kit for the system board assembly includes a diskette or CD that provides a utility for transferring the service tag number to the replacement system board assembly.

  • Page 46: System Board

    Removing and Replacing Parts : Dell Latitude C800/C805 Service Manual 1. Follow the instructions in "Preparing to Work Inside the Computer." 2. Remove the hard drive and the fixed optical drive. 3. Remove any installed Mini PCI Cards. 4. If migrating the memory, remove all installed memory modules.

  • Page 47: Battery And Modular Bay Latch Assemblies

    Removing and Replacing Parts : Dell Latitude C800/C805 Service Manual Battery and Modular Bay Latch Assemblies NOTICE: Disconnect the computer and attached devices from electrical outlets and remove any installed batteries. NOTICE: To avoid ESD, ground yourself by using a wrist grounding strap or by periodically touching unpainted metal on the computer.

  • Page 48: Removing And Replacing The Battery And Modular Bay Latch Assemblies

    Removing and Replacing Parts : Dell Latitude C800/C805 Service Manual Removing and Replacing the Battery and Modular Bay Latch Assemblies 1. Follow the instructions in "Preparing to Work Inside the Computer." 2. Remove the keyboard. 3. Remove the hinge cover.

  • Page 49: Battery Charger Board

    Removing and Replacing Parts : Dell Latitude C800/C805 Service Manual 5. Remove the palmrest assembly. 6. Remove a latch button from the bottom case assembly by squeezing the snap tabs in the center of the latch. Apply downward pressure to the tabs while squeezing them together (tweezers work well) to eject the latch button from the bottom of the case without loosening the upper latch assembly (spring and slider).

  • Page 50: Removing The Battery Charger Board

    Removing and Replacing Parts : Dell Latitude C800/C805 Service Manual Removing the Battery Charger Board 1. Follow the instructions in "Preparing to Work Inside the Computer." 2. Remove the keyboard. 3. Remove the hinge cover. 4. Remove the display assembly.

  • Page 51: Led Board

    Removing and Replacing Parts : Dell Latitude C800/C805 Service Manual down into its connector. LED Board NOTICE: Disconnect the computer and attached devices from electrical outlets and remove any installed batteries. NOTICE: To avoid ESD, ground yourself by using a wrist grounding strap or by periodically touching unpainted metal on the computer.

  • Page 52: Removing The Led Board

    Removing and Replacing Parts : Dell Latitude C800/C805 Service Manual Removing the LED Board 1. Follow the instructions in "Preparing to Work Inside the Computer." 2. Remove the hinge cover. 3. Remove the two 4-mm screws. 4. Lift the LED board away from its connector.

  • Page 53: Removing The Fan Assembly

    Removing and Replacing Parts : Dell Latitude C800/C805 Service Manual Removing the Fan Assembly 1. Follow the instructions in "Preparing to Work Inside the Computer." 2. Remove the system board. 3. Remove the three 4-mm screws from the fan assembly.
  • Page 54 Removing and Replacing Parts : Dell Latitude C800/C805 Service Manual NOTICE: Disconnect the computer and attached devices from electrical outlets and remove any installed batteries. NOTICE: To avoid ESD, ground yourself by using a wrist grounding strap or by periodically touching unpainted metal on the computer.
  • Page 55 Removing and Replacing Parts : Dell Latitude C800/C805 Service Manual Removing the RJ-11/RJ-45 Board 1. Follow the instructions in "Preparing to Work Inside the Computer." 2. Remove the system board. 3. Remove the 4-mm screw from the RJ-11/RJ-45 board. NOTICE: The plastic tab is fragile;...
  • Page 56 Removing and Replacing Parts : Dell Latitude C800/C805 Service Manual Back to Contents Page file:///F|/Service%20Manuals/Dell/Latitude/c800/ch2.htm (49 of 49) [2/28/2004 8:00:16 AM]...

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