Dell P138G - Coin-Cell Battery; Removing the Coin-Cell Battery

Steps
1. Align and place the power button with optional fingerprint reader and cable on the palm-rest assembly.
2. Replace the (M2x2) screw to secure the power button with optional fingerprint reader to the palm-rest assembly.
Next steps
1. Install the system board.
2. Install the fan.
3. Install the WWAN card (optional).
4. Install the WLAN card.
5. Install the 3-cell battery or 4-cell battery.
6. Install the base cover.
7. 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.
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Removing and installing components