Dell Latitude C800 User manual

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.
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Before You Begin : Dell Latitude C800 Service Manual
Back to Contents Page
Before You Begin
Dell™ Latitude™ C800 Service Manual
Preparing to Work Inside the Computer
Recommended Tools
Screw Identification
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.
1. Make sure that the work surface is flat and clean to prevent scratching the
computer cover.
2. Save any work in progress and close all open application programs.
3. Turn off the computer and all attached devices.
NOTE: Before turning off the computer, make sure the computer is not in a
power-management mode.
4. Make sure the computer is undocked.
5. Disconnect the computer from the electrical outlet.
6. To avoid possible damage to the system board, wait 10 to 20 seconds and then
disconnect any attached devices.
7. Disconnect all other external cables from the computer.
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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.
NOTICE: To avoid component damage, always remove any installed batteries
before you service the computer.
11. Remove any device installed in the modular bay.
12. To dissipate static electricity while you work, periodically touch an unpainted
metal surface on the computer chassis.
13. Handle components and cards by their edges, and avoid touching pins and
contacts.
Recommended Tools
The procedures in this manual require the following tools:
●#1 magnetized Phillips screwdriver
●Small flat-blade screwdriver
●Small plastic scribe
●Microprocessor extractor
●Nonmarring tool
●Flash BIOS upgrade program diskette or CD (provided when needed to upgrade
the system BIOS)
System Orientation
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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.
Screw Identification
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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.
Screw Placement Map
Hard Drive Door Security:
M3.0 x 5 mm (1 each)
Keyboard to Bottom Case
Assembly:
M2.5 x 20 mm (4 each; one in
memory door and one in mini-
PCI door)
Display to Base:
M2.5 x 6 mm (3
each; 2 at back of
system; 1 at flex
cable strain relief)
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Before You Begin : Dell Latitude C800 Service Manual
Display Bezel:
Rubber screw covers (4 each)
Plastic screw covers (2 each)
M2.5 x 4 mm (6 each)
Display Panel to Display
Mounting Bracket:
M2.0 x 3 mm(6 each)
Flex Cable Mounting Bracket to
Top Cover:
M2.5 x 4 mm (1 each)
Video Graphics
Board:
M2.5 x 8 (3 each)
Palmrest to
Bottom Case Assembly:
M2.5 x 20 mm (9 each)
Palmrest Bracket:
M2.5 x 4 mm (2 each)
System Board:
M2.5 x 4 mm captive washer
(3 each)
M2.5 x 20 mm (1 each)
LED Board:
M2.0 x 4 mm (2
each)
Fan Assembly:
M2.0 x 4 mm (3 each)
RJ-11/RJ-45 Board Assembly:
M2.5 x 4 mm (1 each)
Back to Contents Page
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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
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
System Components
Exploded View
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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.
Hard 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.
NOTICE: The hard drive is very sensitive to shock. Handle it by its edges (do not
squeeze the top of the case), and avoid dropping it.
Hard Drive
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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. Gently push the hard drive into the drive bay until the drive door is flush with the
computer case.
2. Push down on the drive until it snaps into place.
3. Replace the screw in the hard drive door.
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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.
Fixed Optical Drive
Removing the Fixed Optical Drive
1. Follow the instructions in "Preparing to Work Inside the Computer."
2. Loosen the captive screw on the bottom of the computer.
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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.
Memory Module
NOTICE: Disconnect the computer and any 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.
Removing the Memory Module Cover
Memory Module Cover
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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
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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.
3. Lift the memory module out of its socket.
Replacing the Memory Modules
1. If you only have one memory module, install it in the socket labeled "DIMM A."
Install a second memory module in the socket labeled "DIMM B."
NOTE: Memory modules are keyed to fit into their sockets in only one direction.
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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.
4. Insert the metal tabs on the memory module cover into the bottom case assembly,
rotate the cover down, and replace the screw.
Mini PCI Card Assembly
You must remove the optional Mini PCI Card assembly before the system board assembly
can be removed. A Mini PCI Card assembly may consist of a modem, a NIC, a modem and
NIC combination, or a wireless NIC. A modem, NIC, or modem and NIC combination must
be connected to the wiring harness as appropriate; a wireless NIC must be connected to
the system's internal antenna.
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.
Mini PCI Card Cover
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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.
4. Disconnect the assembly from the wiring harness or internal antenna.
5. Lift out the assembly and disconnect any attached cables.
Replacing the Mini PCI Card Assembly
1. Align the Mini PCI Card assembly with the socket at a 45-degree angle, and press
the Mini PCI Card into the socket.
2. Depending on what type of Mini PCI Card you are installing, either connect the wiring
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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.
Mini PCI Card Assembly Using Wiring Harness
Mini-PCI Wireless NIC Assembly Using Antenna Cable
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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.
3. Pivot the Mini PCI Card assembly down until it clicks into place.
4. Replace the Mini PCI Card assembly cover.
Keyboard Assembly
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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.
Keyboard Screws
Removing the Keyboard Assembly
1. Follow the instructions in "Preparing to Work Inside the Computer."
2. Turn the computer over and remove the four screws labeled with a "circle K."
3. Turn the computer over and open the display.
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