Clearing Forgotten Passwords
If you forget your user or setup password, you cannot operate your computer
or change settings in the system setup program until you clear the forgotten
password(s).
NOTICE: The following procedure resets all standard settings for your
computer. Before proceeding, record or print (by pressing <Print Screen> ) all
current settings so that you can restore them when you finish this procedure.
1 Remove the computer cover (see page 42).
2 Locate jumper BIOS CONF on the system board (see page 44) and
move the jumper plug so that pins 2 and 3 are jumpered.
3 Replace the computer cover (see page 71), plug your computer into an
electrical outlet, and turn on the computer.
4 Press <Enter> at the Maintenance screen and then click Yes to clear
all passwords.
5 Press <F10> to save your changes and exit the system setup program.
6 Remove the computer cover again.
7 Move the jumper plug so that pins 1 and 2 are jumpered (standard
setting).
8 Replace the computer cover, plug your computer into an electrical
outlet, and turn on the computer.

Replacing the Battery
A coin-cell battery maintains computer configuration, date, and time
information. The battery can last several years.
Appendix 81
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 so that you can
restore the correct settings in step 6.
2 Remove the computer cover (see page 42).
NOTICE: To avoid damage to the system board while you pry the battery
loose, be sure to insert the plastic screwdriver between the battery and the
socket (not the system board).
3 Locate the battery socket (see page 44) and pry the battery out of its
socket with your fingers or with a plastic screwdriver.
4 Insert the battery into the socket with the side labeled “+” facing up.