Steps
1. Place the I/O daughter-board into its slot on the palm-rest and keyboard assembly.
2. Align the screw holes on the I/O daughter-board to the screw holes on the palm-rest and keyboard assembly.
3. Replace the two screws (M2x4) to secure the I/O daughter-board to the palm-rest and keyboard assembly.
Next steps
1. Install the system board.
2. Install the thermal module.
3. Install the 3-cell battery or the 4-cell battery, whichever applicable.
4. Install the 4G WWAN card or the 5G WWAN card, whichever applicable.
NOTE: This procedure applies only to computers shipped with a WWAN card installed.
5. Install the M.2 2230 solid-state drive or the M.2 2280 solid-state drive, whichever applicable.
6. Install the base cover.
7. Install the microSIM-card tray.
8. Follow the procedure in After working inside your computer.
Power button with optional fingerprint reader
Removing the power button with optional fingerprint reader
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the microSIM-card tray.
3. Remove the base cover.
4. Remove the M.2 2230 solid-state drive or the M.2 2280 solid-state drive, whichever applicable.
5. Remove the 4G WWAN card or the 5G WWAN card, whichever applicable.
NOTE: This procedure applies only to computers shipped with a WWAN card installed.
6. Remove the 3-cell battery or the 4-cell battery, whichever applicable.
7. Remove the thermal module.
8. Remove the system board.
About this task
NOTE: For computers shipped with a fingerprint reader, the power button includes a fingerprint reader module.
The following images indicate the location of the power button with optional fingerprint reader and provide a visual
representation of the removal procedure.
88
Removing and installing components
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