Dell Inspiron 8100 - Manual (Page 32)

Reserve Battery
Removing the Reserve Battery
1. Follow the instructions in " Preparing to Work Inside the Computer ."
2. Remove the keyboard assembly .
3. Remove the hinge cover .
4. Remove the display assembly .
5. Remove the palm rest assembly .
6. On the underside of the palm rest, disconnect the flex cable from the ZIF connector.
7. Remove the two M2.5 x 4-mm screws securing the palm rest bracket.
8. While supporting the flex cable, lift out the palm rest bracket and turn it over.
9. Disconnect the reserve battery cable.
10. Remove the reserve battery:
a. Pry the reserve battery free from the metal palm rest bracket.
b. Remove the foam-pad remnants from the palm rest bracket.
Replacing the 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 an unpainted metal surface on the computer.
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, make a copy of this information before
you remove the reserve battery.