10 Upgrading and Servicing Guide
Replacing the Battery
A lithium battery on the motherboard provides backup
power for the PC’s timekeeping capability. The battery
has an estimated life expectancy of seven years.
When the battery starts to weaken, the date and time
may be incorrect. If the battery fails, replace it with a
CR2032 lithium battery (3 V, 220mAH rating) or an
equivalent battery.
ARNING: There is danger of explosion if
the battery is incorrectly replaced. Replace
only with the same, or equivalent, type of
battery. Discard used batteries according
to the manufacturer’s instructions.
1 Complete the procedures to prepare the PC, and to
remove the side panel. See “Opening and Closing
the PC“ on page 1.
2 Gently lay the PC on its side.
3 Remove any cabling, if necessary, to reach the
battery.
4 To remove the battery, push the latch away from the
battery and lift the battery from the socket.
5 Install the new CR2032 battery in the socket, with
the positive (+) side facing the latch.
6 Replace any cabling you removed.
7 Set the chassis upright.
8 Complete the procedures to replace the side panel,
and close the PC. See “Opening and Closing the
PC“ on page 1.
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