Replacing the Coin-Cell Battery

1Locate the battery socket. See "System Board Components" on page 15.

2Press the battery-release lever away from the battery until the coin-cell battery pops up.

battery-release lever

coin-cell battery

1Insert the battery into the socket with the side labeled + facing up, then snap the battery into place.

1Replace the drive cage. See "Replacing the Drive Cage" on page 39.

2Replace the front bezel. See "Replacing the Front Bezel" on page 35.

3Replace the fan shroud. See "Replacing the Fan Shroud" on page 20.

4Replace the computer cover. See "Replacing the Computer Cover" on page 18.

5Follow the instructions in "After Working Inside Your Computer" on page 11.

6Enter the system setup program and set the time and date. See "Entering System Setup" on page 73.

7Update the BIOS settings with values you may have noted before removing the coin-cell battery. See "System Setup" on page 73.

Coin-Cell Battery

Dell 660S manual Replacing the Coin-Cell Battery