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3Disconnect the computer power cable from the wall outlet, and then press the power button to ground the system board.

4Open the computer cover (see page 84).

5Locate jumper PSWD on the system board (see page 87) and remove the jumper plug.

6Close the computer cover (see page 107), plug your computer into an electrical outlet, and turn on the computer.

The existing password(s) will be erased.

7Shut down the computer (see page 33).

NOTICE: To disconnect a network cable, first unplug the cable from your computer, and then unplug it from the network wall jack.

8Turn off any attached devices and disconnect them from their electrical outlets.

9Disconnect the computer power cable from the wall outlet, and then press the power button to ground the system board.

10Open the computer cover (see page 84).

11Reconnect the jumper plug to jumper PSWD (see page 87).

12Close the computer cover (see page 107).

NOTICE: To connect a network cable, first plug the cable into the network wall jack, and then plug it into the computer.

13Connect your computer and devices to electrical outlets, and turn them on.

Turning on your computer with the PSWD jumper installed reenables the password feature.

Replacing the Battery

CAUTION: Before you begin this procedure, follow the steps in "When Working Inside Your Computer" on page 12.

Acoin-cell battery maintains computer configuration, date, and time information. The battery can last several years.

If you have to repeatedly reset time and date information after turning on the computer, replace the battery.

Appendix

117