HP ProBook 470 G4, Руководство по техническому обслуживанию и ремонту

Страница: 86 / 126

Display assembly
This section describes removing components that require you to completely remove the display panel. For
more information about removing display components that do not require that you remove the assembly
from the computer, see
Display subcomponents (bezel, webcam, panel) on page 44 .
NOTE: The display assembly is spared at the subcomponent level only.
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 following components:
a. Service door (see Service door on page 31 ).
b. Hard drive (see Hard drive on page 34 )
c. Optical drive ( Optical drive on page 32 )
d. WLAN module (see WLAN/Bluetooth combo card on page 38 )
e. Keyboard (see Keyboard on page 41 )
f. Top cover (see Top cover on page 48 )
g. Battery (see Battery on page 62 )
Remove the display assembly:
1. Position the computer upright on a flat surface.
2. Disconnect the display cable from the system board (1).
3. Pull the WLAN antennas through the hole in the computer (2).
4. Remove the 5 Phillips PM2.5×7.0 screws (3) from the display hinges.
76 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts