Dell Latitude 3520 - System Board Service

Installing the power button with fingerprint reader
About this task
The following image indicates the location of the power button with fingerprint reader and provides a visual representation of
the removal procedure.
NOTE:
Steps
1. Affix the power button cable with adhesive backing.
2. Align and place the power button with fingerprint reader into the slot on the palmrest assembly.
Next steps
1. Install the ethernet port.
2. Install the I/O board.
3. Install the base cover.
4. Exit the service mode
5. Install the SIM card tray for 4G LTE enabled systems.
6. Install the microSD-card.
7. Follow the procedure in after working inside your computer.
System board
Removing the system board - for computers with discrete graphics
card
Prerequisites
1. Follow the procedure in before working inside your computer.
2. Remove the microSD-card.
3. Remove the SIM card tray for 4G LTE enabled systems.
4. Remove the base cover.
5. Remove the battery.
Removing and installing components
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