10. Follow the procedure in After working inside your computer.
Coin-cell battery
Removing the coin-cell battery
Prerequisites
1. Follow the procedure in Before working inside your computer.
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. Remove the SIM card.
3. Remove the microSD card.
4. Remove the base cover.
5. Remove the memory module.
6. Remove the 2280 solid-state drive or 2230 solid-state drive.
7. Remove the WLAN card.
8. Remove the WWAN card.
9. Remove the battery.
10. Remove the heat sink - UMA or discrete based on the system configuration.
11. Remove the assembly inner frame.
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.
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Removing and installing components
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