dell latitude c800 User Manual

							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 secu\
re 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 tou\
ch- pad connector  on the system board. 
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							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 computers RTC and NVRAM 
when the computer is turned off. Removing the battery causes the compute\
r to lose 
the date and time information as well as all user-specified parameters i\
n NVRAM. If 
possible, make a copy of this information before you remove the reserve \
battery. 
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							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.  While supporting the palmrest flex cable, lift out the palmrest brac\
ket and turn it  over. 
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							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.  Replace the two 4-mm screws that secure the palmrest bracket to the \
palmrest. 
System Board 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. 
System Board Screws 
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							Removing and Replacing Parts : Dell Latitude C800/C805 Service Manual 
 
The system boards BIOS chip contains the system service tag number, whi\
ch 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 sys\
tem board 
assembly. 
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 BI\
OS, see the 
Dell Portable Computer BIOS Update Guide. 
Removing the System Board 
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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
 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.  If migrating the microprocessor, remove the
 microprocessor module. 
12.  Remove the three 4-mm captive-washer screws from the system board. \
13.  Remove the 20-mm screw from the center of the LED board. 
14.  Lift the front of the system board and work it out of the back pane\
l. 
System Board 
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							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 
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							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. 
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							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 (twee\
zers work 
well) to eject the latch button from the bottom of the case without loo\
sening the upper 
latch assembly (spring and slider). If the upper latch assembly does c\
ome loose: a.  Reinsert the spring onto the slider, and reinstall both pieces in th\
e latch housing on the inside of the case. 
b.  Ensure that the slider is inserted so that the side with the two bum\
ps is facing  the back of the case, and the surface with the wear ribs is facing the b\
ottom of 
the case. 
7.  Hold the upper latch assembly in place while you snap the new latch \
button in from  underneath the base, making certain the snap tabs are fully engaged in t\
he slider. 
8.  Ensure that the newly installed latch assembly moves smoothly and fr\
eely when  pushed and released. 
Battery Charger 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. 
Battery Charger Board 
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							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. 
Replacing the Battery Charger Board 
Align the screw holes on the battery charger board with the screw holes \
on the bottom 
case assembly (see Battery Charger Board), and then press the battery \
charger board 
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