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Coin-Cell Battery 93
9
Coin-Cell Battery
WARNING: Before working inside your computer, read the safety information
that shipped with your computer. For additional safety best practices information,
see the Regulatory Compliance Homepage at
www.dell.com/regulatory_compliance.
WARNING: A new battery can explode if it is incorrectly installed. Replace the
battery only with the same or equivalent type recommended by the manufacturer.
Discard used batteries according to the manufacturer’s instructions.
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.
Removing the Coin-Cell Battery
1
Record the information on the screens in the system setup program so that
you can restore the correct settings in step 4 of "Replacing the Coin-Cell
Battery" on page 94. For more information on using the system setup
program, see the
Dell Technology Guide
on your computer or at
support.dell.com
.
2
Follow the procedure in "Before Working on Your Computer" on page 9.
3
Remove the computer cover (see "Removing the Mini Tower Computer
Cover" on page 19 or "Removing the Desktop Computer Cover" on
page 21).
4
Locate the battery socket on the system board (see "System Board
Components" on page 13).
CAUTION: If you pry the battery out of its socket with a blunt object, be careful
not to touch the system board with the object. Ensure 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 by prying off the socket or by
breaking circuit traces on the system board.