Service Manual

Removing the coin-cell battery
NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the
steps in Before working inside your computer. After working inside your computer, follow the instructions in After working
inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/
regulatory_compliance.
CAUTION: Removing the coin-cell battery resets the BIOS setup programs settings to default. It is
recommended that you note the BIOS setup programs settings before removing the coin-cell battery.
Topics:
Prerequisites
Procedure
Prerequisites
1. Remove the base cover.
2. Remove the battery.
Procedure
1. Disconnect the coin-cell battery cable from the system board.
2. Remove the antenna and coin-cell battery cables from the routing guide on the right speaker.
3. Open the latch and disconnect the I/O-board cable from the system board.
Figure 49. Disconnecting the antenna and coin-cell battery cables
1.
routing guide 2. antenna cable
17
Removing the coin-cell battery 33