Maintenance and Service Guide

Power button board
Description Spare part number
For use only on computer models equipped with the Windows 8 Professional operating system 753976-601
For use only on computer models equipped with the Windows 8 Standard operating system 753976-501
For use only on computer models equipped with a non-Windows 8 operating system 753976-001
Before removing the power 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 assembly (see
Display assembly on page 30).
5. Remove the NFC antenna (see
NFC antenna on page 38).
6. Disconnect the left microphone cable from the power button board (see
Microphones
on page 43).
7. Disconnect the rear-facing webcam cable from the power button board (see
Rear-facing webcam
on page 44).
Remove the power button board:
1. Disconnect the volume button board cable (1) from the power button board.
2. Release the support strip (2) that secures the WWAN antenna transceiver to the battery.
3. Release the support strip (3) that secures the power button board cable to the system board.
4. Release the ZIF connector (4) to which the power button board cable is attached, and then
disconnect the power button board cable from the system board.
Tablet component replacement procedures
45