HP Media Center m7200 Upgrading and Servicing Guide - Page 18

Replacing the Battery

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Replacing the Battery A lithium battery on the motherboard provides backup power for the PC's timekeeping capability. 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 volt, 220mAH rating) or an equivalent battery. WARNING: 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 as described in "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 Remove any memory modules, if necessary, to reach the battery. See "Adding Memory" on page 11. 5 Press the latch away from the battery and lift the battery from the socket to release the battery. 6 Install the new CR2032 battery in the socket, with the positive (+) side facing the latch. 7 Replace memory modules or cables you removed. 8 Set the chassis upright. 9 Complete the procedures to replace the side panel, and to close the PC. See "Opening and Closing the PC" on page 1. 14 Upgrading and Servicing Guide

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Replacing the Battery
A lithium battery on the motherboard provides backup
power for the PC’s timekeeping capability.
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 volt, 220mAH rating) or an
equivalent battery.
WARNING: 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 as described in “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
Remove any memory modules, if necessary, to
reach the battery. See “Adding Memory” on
page 11.
5
Press the latch away from the battery and lift the
battery from the socket to release the battery.
6
Install the new CR2032 battery in the socket, with
the positive (+) side facing the latch.
7
Replace memory modules or cables you removed.
8
Set the chassis upright.
9
Complete the procedures to replace the side panel,
and to close the PC. See “Opening and Closing the
PC” on page 1.
14
Upgrading and Servicing Guide