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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 solid-state drive (see
Mass storage devices on page 45)
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