4. Detach the power button board (4) from the display panel assembly. (The power button board is
attached to the display panel assembly with double-sided tape.)
5. Remove the power button board and cable.
Reverse this procedure to install the power button board.
Volume button board
Description Spare part number
Volume button board (includes cable and double-sided adhesive) 742732-001
Before removing the volume button board, follow these steps:
1. Turn off the tablet. If you are unsure whether the tablet is off or in Hibernation, turn the tablet on,
and then shut it down through the operating system.
2. Disconnect the power from the tablet by unplugging the power cord from the tablet.
3. Disconnect all external devices from the tablet.
4. Remove the display enclosure (see
Display enclosure on page 38).
5. Disconnect the tablet battery cable from the system board (see
Sensor board on page 39).
Remove the volume button board:
1. Release the ZIF connector (1) to which the volume button board cable is attached, and then
disconnect the volume button board cable from the TouchScreen board.
48 Chapter 5 Removal and replacement procedures
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