Dell Latitude C840 Service Manual - Page 53

Removing the Reserve Battery

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Reserve Battery: Dell Latitude C840 Service Manual NOTICE: The reserve battery provides power to the computer's RTC and NVRAM when the computer is turned off. Removing the battery causes the computer to lose the date and time information as well as all user-specified parameters in NVRAM. If possible, copy the information before you remove the reserve battery. 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 palm rest. 6. On the underside of the palm rest, disconnect the palm-rest flex cable from the ZIF connector. file:///F|/Service%20Manuals/Dell/Latitude/c840/resbatt.htm (2 of 3) [2/28/2004 8:03:44 AM]

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Reserve Battery: Dell Latitude C840 Service Manual
NOTICE:
The reserve battery provides power to the computer's RTC and
NVRAM when the computer is turned off. Removing the battery causes the
computer to lose the date and time information as well as all user-specified
parameters in NVRAM. If possible, copy the information before you remove the
reserve battery.
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
palm rest
.
6.
On the underside of the palm rest, disconnect the palm-rest flex cable from the
ZIF connector.
file:///F|/Service%20Manuals/Dell/Latitude/c840/resbatt.htm (2 of 3) [2/28/2004 8:03:44 AM]