Dell Latitude C840 - Manual (Page 22)

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Palm Rest
Dell™ Latitude™ C840 Service Manual
Removing the Palm Rest
1. Follow the instructions in " Preparing to Work Inside the Computer ."
2. Remove the hard drive and the fixed optical drive .
3. Remove the keyboard .
4. Remove the hinge cover .
5. Remove the display assembly .
6. Turn the computer over.
7. Remove the nine M2.5 x 20-mm screws (labeled "circle P") that secure the palm rest to the computer.
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.
1 pull loop
NOTICE: The reserve battery provides power to the computer's time RTC and NVRAM when the computer is turned off. Removing the palm rest
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, copy the information before you disconnect the reserve battery.
NOTICE: To avoid damaging the palm rest, you must first remove the display assembly.