Before removing the display assembly, follow these steps:
1.Shut down the device. If you are unsure whether the device is off or in Hibernation, turn the device on, and then shut it down through the operating system.
2.Disconnect all external devices connected to the device.
3.Disconnect the power from the device by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the device.
4.Remove the battery (see Battery on page 36).
5.If your device has WWAN capability, remove the SIM (see SIM on page 37.
6.Remove the following components:
a.Keyboard (see Keyboard on page 40)
b.Hard drive or
c.Top cover (see Top cover on page 48)
Remove the display assembly:
1.Release the tape securing the WWAN antennas(1).
2.Disconnect the following cables from the system board:
(2)Display panel cable
(3)Microphone cable
(4)Speaker cable
(5)WLAN cables
(6)WWAN cables (select models only)
CAUTION: Support the display assembly when removing the following screws. Failure to support the display assembly can result in damage to the display assembly and other device components.
Component replacement procedures 65
