Steps
1. Align and place the fingerprint reader on the frame.
2. Replace the fingerprint reader bracket on the finger print reader.
Next steps
1. Install the power-button daughter board.
2. Install the right system fan.
3. Install the WWAN card.
4. Install the display assembly.
5. Install the SIM tray.
6. Follow the procedure in After working inside your computer.
Battery
Lithium-ion battery precautions
CAUTION:
● Exercise caution when handling Lithium-ion batteries.
● Discharge the battery completely before removing it. Disconnect the AC power adapter from the system and
operate the computer solely on battery power—the battery is fully discharged when the computer no longer
turns on when the power button is pressed.
● Do not crush, drop, mutilate, or penetrate the battery with foreign objects.
● Do not expose the battery to high temperatures, or disassemble battery packs and cells.
● Do not apply pressure to the surface of the battery.
● Do not bend the battery.
● Do not use tools of any kind to pry on or against the battery.
● Ensure any screws during the servicing of this product are not lost or misplaced, to prevent accidental
puncture or damage to the battery and other system components.
56 Removing and installing components