Hall sensor board
Description Spare part number
Hall sensor board (includes cable) L31343-001
Before removing the hall eects sensor board, follow these steps:
1. Turn o the computer. If you are unsure whether the computer is o or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the following components:
a. Display panel (see Display panel on page 33)
b. Disconnect the battery cable (see Battery on page 36)
Remove the hall sensor board:
1. Disconnect the cable from the ZIF connector on the system board (1).
2. Remove the Phillips M1.6×3.0 screw (2) securing the board.
3. Remove the board from the computer (3).
Reverse this procedure to replace the hall sensor board.
Component replacement procedures 39
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