3.Remove the speakers (3) and cables.

Reverse this procedure to install the speakers.

I/O board


Spare part number



I/O board (includes HDMI port, USB port, and powered USB port)


NOTE: The I/O board spare part kit does not included the I/O board cable. The I/O board


cable is included in the Cable Kit, spare part number 746637-001.




Before removing the I/O 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 back cover (see Back cover on page 12).

5.Disconnect the speaker cable from the system board (see Battery on page 14).

Remove the I/O board:

1.Release the ZIF connector (1) to which the I/O board cable is connected, and then disconnect the I/O board cable from the system board.

2.Remove the two Phillips PM2.0×2.75 screws (2) that secure the I/O board to the display panel assembly.


Chapter 5 Removal and replacement procedures