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Display assembly
All display assemblies include WLAN antenna transceivers and cables. WWAN models include 2
WWAN antenna transceivers and cables.
Description Spare part
number
Display assembly for use in models without WWAN 727758-001
Display assembly for use in models with WWAN 731997-001
Before removing the display assembly, 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. Remove the battery (see
Battery on page 35).
5. Remove the following components:
a. Service door (see
Service door on page 43).
b. WLAN module (see
WLAN/Bluetooth combo card on page 48)
c. WWAN module (see
WWAN module on page 46)
d. Keyboard (see
Keyboard on page 37)
e. Top cover (see
Top cover on page 50)
f. Power connector cable (see
Power connector cable on page 70)
Remove the display assembly:
1. Position the computer upside down.
64 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts