Dell Inspiron 640M - Manual (Page 130)

130
Adding and Replacing Parts
Coin-Cell Battery
Removing the Coin-Cell Battery
CAUTION:
Before you perform the following procedures, see the safety instructions in the Product Information
Guide.
NOTICE:
To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically
touching an unpainted metal surface (such as the back panel) on the computer.
NOTICE:
To avoid damaging the system board, you must remove the main battery before you begin working inside
the computer.
1 Follow the procedures in "Before You Begin" on page 109.
2 Remove the hinge cover (see page 125).
3 Remove the keyboard (see page 127).
4 Use a plastic scribe to lift the battery upward to remove it from the system board.
Replacing the Coin-Cell Battery
When you replace the battery, insert it into the circular socket with the positive side up, and gently push
it into place.
1 coin-cell battery
1