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Appendix 117
3 Disconnect the computer power cable from the wall outlet, and then
press the power button to ground the system board.
4 Open the computer cover (see page 84).
5 Locate jumper PSWD on the system board (see page 87) and remove
the jumper plug.
6 Close 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.
7 Shut 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.
8
Turn off any attached devices and disconnect them from their
electrical outlets.
9 Disconnect the computer power cable from the wall outlet, and then
press the power button to ground the system board.
10 Open the computer cover (see page 84).
11 Reconnect the jumper plug to jumper PSWD (see page 87).
12 Close 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.
13 Connect 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.
A coin-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.