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Replacing The Rtc Battery - HP EliteOne 1000 G1 Hardware Reference Manual

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8.
Replace the base unit front and rear access panels. See
covers on page
9.
Reconnect the power cord and any external devices, and then turn on the computer. The computer
automatically recognizes the additional memory when you turn on the computer.

Replacing the RTC battery

The RTC 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.
IMPORTANT:
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 outlet.
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.
To locate the battery on the system board, see
1.
Remove all removable media, such as USB flash drives, from the computer.
2.
Turn off the computer properly through the operating system, and turn off any external devices.
3.
Disconnect the power cord from the AC outlet and disconnect any external devices.
IMPORTANT:
as 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.
4.
Remove the base unit rear and front access panels. See
covers on page
5.
To release the battery from its holder, squeeze the metal clamp that extends above one edge of the
battery. When the battery pops up, lift it out (1).
12.
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
12.
Removing and replacing the base unit access
Locating internal components on page
Removing and replacing the base unit access
16.
Replacing the RTC battery
19

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