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 Batte
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.
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.
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 file:///F|/Service%20Manuals/Dell/Latitude/c800/ch1.
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 miniPCI door) file:///F|/Service%20Manuals/Dell/Latitude/c800/ch1.
Before You Begin : Dell Latitude C800 Service Manual Display Bezel: Rubber screw covers (4 each) Display Panel to Display Mounting Bracket: Video Graphics Board: 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) Flex Cable Mounting Bracket to Top Cover: M2.5 x 4 mm (1 each) System Board: LED Board: M2.5 x 20 mm (9 each) M2.5 x 4 mm captive washer (3 each) M2.0 x 4 mm (2 each) Palmrest Bracket: M2.5 x 4 mm (2 each) M2.
Before You Begin : Dell Latitude C800 Service Manual file:///F|/Service%20Manuals/Dell/Latitude/c800/ch1.
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 Mini PCI Card Assembly Keyboard Assembly Display and Bezel Assemblies Microprocessor Thermal Cooling Assembly Microprocessor Module Battery and Modular Bay Latch Assemblies Battery Charger Board LED
Removing and Replacing Parts : Dell Latitude C800/C805 Service Manual file:///F|/Service%20Manuals/Dell/Latitude/c800/ch2.
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.
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. file:///F|/Service%20Manuals/Dell/Latitude/c800/ch2.
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. Fixed Optical Drive Removing the Fixed Optical Drive 1. Follow the instructions in "Preparing to Work Inside the Computer." 2.
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. Memory Module NOTICE: Disconnect the computer and any attached devices from electrical outlets and remove any installed batteries.
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.
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.
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.
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. 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.
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. Mini PCI Card Assembly Using Wiring Harness Mini-PCI Wireless NIC Assembly Using Antenna Cable file:///F|/Service%20Manuals/Dell/Latitude/c800/ch2.
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. 3. Pivot the Mini PCI Card assembly down until it clicks into place. 4. Replace the Mini PCI Card assembly cover.
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.
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. Keyboard Removal 5. Lift the right end of the keyboard and slide it slightly toward the right side of the computer to disengage the tabs at the left end. file:///F|/Service%20Manuals/Dell/Latitude/c800/ch2.
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. While bracing the keyboard assembly upright on its left end, connect the keyboard cable to the interface connector on the system board. file:///F|/Service%20Manuals/Dell/Latitude/c800/ch2.
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. 3. Check that the keyboard is correctly installed. The keys should be flush with the left and right surfaces of the palmrest. 4.
Removing and Replacing Parts : Dell Latitude C800/C805 Service Manual Removing the Hinge Cover Hinge Cover file:///F|/Service%20Manuals/Dell/Latitude/c800/ch2.
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. 3. Open the display and lift off the hinge cover. Removing the Display Assembly Display Assembly file:///F|/Service%20Manuals/Dell/Latitude/c800/ch2.
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.
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. NOTICE: When reconnecting the flex cable, press down on both ends of the connector, not in the middle. Pressing the middle of the connector can damage fragile components. 3.
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.
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. 4. Remove the two 4-mm screws located at the bottom of the bezel. 5. Separate the bezel from the display-assembly top cover. The bezel is secured to the display assembly top cover with plastic tabs around the sides.
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. 2. Place the display panel assembly in the top cover, taking care that the flex cable is in place and is not crushed or crimped. file:///F|/Service%20Manuals/Dell/Latitude/c800/ch2.
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. 5. Reinstall the display flex cable strain-relief screw and reconnect the flex cable to the graphics card. 6. Reinstall the display assembly bezel. Removing the Display Latch Removing the Display Latch 1.
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. NOTICE: To avoid ESD, ground yourself by using a wrist grounding strap or by periodically touching unpainted metal on the computer.
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. Pry open the clip by pivoting the top of the screwdriver toward the right side of the computer.
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. Microprocessor Module Removing the Microprocessor Module 1. Follow the instructions in "Preparing to Work Inside the Computer." 2. Remove the keyboard. 3.
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. 4. Remove the microprocessor thermal cooling assembly. NOTICE: When removing the microprocessor module, pull the module straight up. Do not bend the pins. 5. Remove 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. For instructions on updating or reflashing the BIOS, see the Dell Portable Computer BIOS Update Guide.
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. NOTICE: Do not over- or undertighten the screw. Tighten it until the screw indicator points to the "closed" or "locked" indicator on the socket. 3. Replace the microprocessor thermal cooling assembly.
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. Video Graphics Board Removing the Video Graphics Board 1. Follow the instructions in "Preparing to Work Inside the Computer.
Removing and Replacing Parts : Dell Latitude C800/C805 Service Manual 2. Remove the keyboard. 3. Remove the hinge cover. 4. Detach the display flex cable from the strain relief and the graphics card. 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.
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. If possible, make a copy of this information before you disconnect the reserve battery. Removing the Palmrest Assembly 1.
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. Palmrest Screws 8. Turn the computer over. 9. Use the pull loop to disconnect the palmrest flex cable from the touch- pad connector on the system board. file:///F|/Service%20Manuals/Dell/Latitude/c800/ch2.
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. Reserve Battery NOTICE: The reserve battery provides power to the computer's RTC and NVRAM when the computer is turned off.
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. 6. On the underside of the palmrest, disconnect the flex cable from the ZIF connector. Palmrest Flex Cable and Bracket 7. Remove the two 4-mm screws securing the palmrest bracket. 8.
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. Replacing the Reserve Battery 1. Seat the reserve battery and press it into place. 2. Connect the reserve battery cable. 3. Place the palmrest bracket loosely in the palmrest, and connect the palmrest flex cable to the ZIF connector. 4.
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.
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. 5. Remove the keyboard. 6. Remove the hinge cover. 7. Remove the display assembly. 8. Remove the palmrest assembly. 9. Remove the video graphics board. 10. Remove the microprocessor thermal cooling assembly. 11.
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. Battery and Modular Bay Latch Assemblies file:///F|/Service%20Manuals/Dell/Latitude/c800/ch2.
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. 4. Remove the display assembly. file:///F|/Service%20Manuals/Dell/Latitude/c800/ch2.
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). If the upper latch assembly does come loose: a.
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. 5. Remove the palmrest assembly. 6. Remove the video graphics board. 7. Lift the battery charger board out of the system board connector.
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. LED Board file:///F|/Service%20Manuals/Dell/Latitude/c800/ch2.
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. Replacing the LED Board 1. Align the two screw holes with the two mounting holes on the bottom case assembly, and press the board into its connector. 2. Replace the two 4-mm screws.
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. 4. Disconnect the two fan cables from the system board. 5. Pull the fan assembly away from the back-panel bracket. NOTICE: When reconnecting the fan cables, connect the shorter cable to the connector closest to the fan 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.
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; pull it back only far enough to remove the board assembly. 4. Reach into the enclosure and, while pulling the tall plastic tab away from the board assembly to release it, lift out the assembly.
Removing and Replacing Parts : Dell Latitude C800/C805 Service Manual Back to Contents Page file:///F|/Service%20Manuals/Dell/Latitude/c800/ch2.
