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Dell Latitude 7420 - Power button with fingerprint reader

Dell Latitude 7420
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About this task
The following image indicates the location of the I/O board and provides a visual representation of the installation procedure.
Steps
1. Replace the I/O board into its slot in the computer.
2. Secure the I/O board to the computer using two (M2x4) screws.
Next steps
1. Install the system board.
2. Install the heatsink assembly.
3. Install the battery.
4. Install the WWAN card.
5. Install the solid-state drive.
6. Install the base cover.
7. Install the SIM card.
8. Install the microSD card.
9. Follow the procedure in after working inside your computer.
Power button with fingerprint reader
Removing the power button with fingerprint reader
Prerequisites
1. Follow the procedure in before working inside your computer.
2. Remove the microSD card.
3. Remove the SIM card.
4. Remove the base cover.
5. Remove the solid-state drive.
Removing and installing components
53

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