Dell Precision 330 - Manual (Page 109)

Installing Upgrades 109
Time-of-day not set - please run SETUP program
or
Invalid configuration information -
please run SETUP program
or
Strike the F1 key to continue,
F2 to run the setup utility
CAUTION: There is a danger of the new battery exploding if it is
installed incorrectly. Replace the battery only with the same or
equivalent type recommended by the manufacturer. Discard used
batteries according to the manufacturer's instructions.
CAUTION: Before you perform this procedure, see " Safety First—
For You and Your Computer ."
1 If you have not already done so, make a copy of your system
configuration information in system setup .
If the settings are lost while you are replacing the battery, you can refer
to your copy of the system configuration information to restore the
correct settings.
2 Turn off the computer and peripherals, disconnect them from their
electrical outlets, wait at least 5 seconds, and then remove the
computer cover .
3 Remove the battery.
To locate the battery on the system board, see " System Board
Components ."
NOTICE: If you use a blunt, nonconductive object to pry the battery out of its
socket, be careful not to touch the system board with the object. Be sure that
the object is inserted between the battery and the socket before you attempt to
pry out the battery. Otherwise, you may damage the system board.
Pry the battery out of its socket with your fingers or with a blunt,
nonconductive object, such as a plastic screwdriver.
4 Install the new battery.
Orient the battery with the side labeled "+" facing up (see the
following figure). Then insert the battery into the socket, and snap it
into place.