Battery
The battery is located below the processor. 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 V lithium coin cell battery.
WARNING! The computer contains an internal lithium manganese dioxide battery. There is a risk of re and
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 (149°F).
Do not disassemble, crush, puncture, short external contacts, or dispose of in re or water.
Replace the battery only with the HP spare designated for this product.
IMPORTANT: Before replacing the battery, it is important to back up the computer CMOS settings. When the
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 briey touching a
grounded metal object.
NOTE: The lifetime of the lithium battery can be extended by plugging the computer into a live AC outlet.
The lithium battery is used only 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. Prepare the computer for disassembly (see Preparation for disassembly on page 23).
2. Remove the rear port cover (see Removing the rear port cover on page 23).
3. Remove the stand (see Stands on page 24).
4. Remove the access panel (see Access panel on page 25).
5. To insert the new battery, slide one edge of the replacement battery under the holder’s lip with the
positive side up(1) . Push the other edge down until the clamp snaps over the other edge of the battery
(2).
6. Reassemble the computer.
Battery 33
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