Acer A315-53G Service Manual page 208

Slightly pull the hall sensor board backwards to release it from the latches on the upper case.
3.
Then remove the hall sensor board.
Release the latch and disconnect the hall sensor FFC from the hall sensor board connector.
4.
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Figure 5-102. Removing the Hall Sensor Board (2 of 2)
Figure 5-103. Removing the Hall Sensor FFC
Service and Maintenance