Coin-Cell Battery; Removing The Coin-Cell Battery - Dell Latitude 5521 Service Manual

10. Follow the procedure in

Coin-cell battery

Removing the coin-cell battery

Prerequisites
1. Follow the procedure in
CAUTION: Removing the coin-cell battery resets the BIOS setup program's settings to default. It is
recommended that you note the BIOS setup program's settings before removing the coin-cell battery.
2. Enter Service Mode.
3. Remove the SIM card.
4. Remove the microSD
5. Remove the base cover.
6. Remove the memory module.
7. Remove the 2280 solid-state drive
8. Remove the WLAN card.
9. Remove the WWAN card.
10. Remove the battery.
11. Remove the heat sink -
12. Remove the assembly inner
About this task
The following images indicate the location of the coin-cell battery and provide a visual representation of the removal procedure.
Steps
1. Disconnect the coin-cell battery cable from the connector.
2. Remove the coin-cell battery from the palm-rest assembly.
64 Removing and installing components
After working inside your
Before working inside your
card.
or 2230 solid-state
UMA or discrete based on the system configuration.
frame.
computer.
computer.
drive.