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Replacing The Battery - HP 9015 Hardware Reference Manual

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Replacing the battery

The battery that comes with the computer provides power to the real-time clock. When replacing the battery,
use a battery equivalent to the battery originally installed in the computer. The computer comes with a 3-volt
lithium coin cell battery.
WARNING!
burns if the battery is not handled properly. To reduce the risk of personal injury:
Do not attempt to recharge the battery.
Do not expose to temperatures higher than 60°C (140°F).
Do not disassemble, crush, puncture, short external contacts, or dispose of in fire or water.
Replace the battery only with the HP spare designated for this product.
CAUTION:
battery is removed or replaced, the CMOS settings will be cleared.
Static electricity can damage the electronic components of the computer or optional equipment. Before
beginning these procedures, ensure that you are discharged of static electricity by briefly touching a
grounded metal object.
NOTE:
The lifetime of the lithium battery can be extended by plugging the computer into a live AC wall
socket. The lithium battery is only used when the computer is NOT connected to AC power.
HP encourages customers to recycle used electronic hardware, HP original print cartridges, and rechargeable
batteries. For more information about recycling programs, go to http://www.hp.com/recycle.
1.
Shut down the computer properly through the operating system, then turn off any external devices.
2.
Disconnect the power cord from the power outlet.
CAUTION:
the system is plugged into an active AC outlet. You must disconnect the power cord and wait
approximately 30 seconds for the power to drain to avoid damage to the internal components of the
computer.
3.
Disconnect all cables from the rear I/O connectors.
4.
Press the two rear cover latches outward (1). Slide the rear cover up, and then lift it off the display head
(2).
34
Chapter 2 Hardware upgrades
The computer contains an internal lithium manganese dioxide battery. There is a risk of fire and
Before replacing the battery, it is important to back up the computer CMOS settings. When the
Regardless of the power-on state, voltage is always present on the system board as long as

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