Battery
This section describes how to remove and install the battery.
The battery that comes with the computer provides power to the real-time clock and has a minimum
lifetime of about three years.
WARNING! This computer includes a lithium battery. There is a risk of fire and chemical burn if the
battery is handled improperly. Do not disassemble, crush, puncture, short external contacts, dispose of
in water or fire, or expose battery to temperatures higher than 60°C (140°F).
CAUTION: Before removing the battery, back up the CMOS settings in case they are lost when the
battery is removed. To back up the CMOS settings, select the Save to Diskette option in the Computer
Setup (F10) Utility.
NOTE: Do not dispose of batteries, battery packs, and accumulators with general household waste.
Removing the battery
To remove the battery:
1. Prepare the computer for servicing by following the
Predisassembly procedures on page 68.
CAUTION: Failure to follow the predisassembly procedures can result in equipment damage or
data loss.
2. Remove the access panel (see Removing the access panel on page 71).
3. On the system board, press the release tab of the battery holder.
4. Lift the battery straight up and out of the holder as shown in the following figure.
Figure 5-55 Removing the battery
ENWW Removing and installing components 117