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Touchscreen board
Before removing the touchscreen board, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn
the computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and
then unplugging the AC adapter from the computer.
4. Disconnect the tablet from the keyboard dock (see
Releasing the tablet from the keyboard dock
on page 32).
5. Remove the display rear cover (see
Display rear cover on page 45).
6. Disconnect the battery cable (see
Battery cable on page 46).
Remove the touchscreen board:
1. Disconnect the cable from the side of the board (1)
2. Disconnect the two ZIF connectors (2)(3) from the middle of the touch board.
3. Remove the two Phillips broadhead PM2.0×2.0 screws (4) that secure the board to the tablet, and then
remove the board (5) from the tablet.
Reverse this procedure to install the touchscreen board.
58 Chapter 5 Removal and replacement procedures for Authorized Service Provider parts