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Appendix 81
12 Close the computer cover (see page 71), plug your computer into an
electrical outlet, and turn on the computer.
Turning on your computer with the PSWD jumper installed reenables
the password feature.
CAUTION: Before you begin this procedure, follow the safety
instructions listed 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.
CAUTION: A new battery can explode if it is incorrectly installed.
Replace the 3-V CR2032 battery only with the same or equivalent
type recommended by the manufacturer. Discard used batteries
according to the manufacturer’s instructions.
1
Record all the screens in the system setup program (see page 79) so
that you can restore the correct settings in step 7.
2 Open the computer cover (see page 61).
3 Locate the battery socket BATTERY (see page 64).
4 Remove the battery by carefully prying it out of its socket with your
fingers or with a blunt, nonconducting object such as a plastic
screwdriver.