Dell 1121 manual Disconnect all attached devices from your computer

4.Press and eject any installed cards from the 7-in-1 Media Card Reader.

5.Disconnect your computer and all attached devices from their electrical outlets.

6.Disconnect all attached devices from your computer.

CAUTION: To help prevent damage to the system board, remove the main battery (see Removing the Battery) before working inside the computer.

7.Remove the battery (see Removing the Battery).

8.Turn the computer top-side up, open the computer, and press the power button to ground the system board.

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