Maintenance and Service Guide

Remove the rear-facing webcamera:
1. Turn the system board upside down.
2.
Disconnect the rear-facing webcamera cable (1) from the system board.
3. Remove the rear-facing webcamera (2) and cable.
Reverse this procedure to install the rear-facing webcamera.
Proximity/light sensor board
Description Spare part number
Proximity/light sensor board (includes cable) 751665-001
Before removing the proximity/light sensor 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 13), and then remove the following components:
a. Battery (see
Battery on page 14)
b. Middle frame (see
Middle frame on page 15)
c. System board (see
System board on page 21)
Remove the proximity/light sensor board:
24 Chapter 5 Removal and replacement procedures