Owners Manual

248 | Removing and Installing System Components
System Battery
Replacing the System Battery
WARNING: There is a danger of a new battery exploding if it is incorrectly
installed. Replace the battery only with the same or equivalent type
recommended by the manufacturer. See your safety information for additional
information.
CAUTION: Many repairs may only be done by a certified service technician. You
should only perform troubleshooting and simple repairs as authorized in your
product documentation, or as directed by the online or telephone service and
support team. Damage due to servicing that is not authorized by Dell is not
covered by your warranty. Read and follow the safety instructions that came
with the product.
1. Remove the system-board assembly. See “Removing a System-
Board Assembly" on page 172.
2. Remove the air baffle. See “Removing the Air Baffle” on page 174.
3. Remove the expansion-card assembly. See “Removing the
Expansion Card” on page 188.
CAUTION: To avoid damage to the battery connector, you must firmly support
the connector while installing or removing a battery.
4. Gently lift the battery out of the connector. See Figure 3-66.
5. Hold the new battery with the “+” facing the positive side of
battery connector. See Figure 3-66.
6. Insert the battery into the battery holder until it is seated in place.
See Figure 3-66.