HP ProBook 450 G2, Maintenance And Service Manual, Page: 100 / 169

Display assembly
Description Spare part number
Display panel, 39.6-cm (15.6-inch), HD, anti-glare, touch screen, one antenna 782121-001
Display panel, 39.6-cm (15.6-inch), HD, anti-glare, touch screen, two antennas 782122-001
This section describes removing the display assembly in its entirety and disassembling all the display
subcomponents.
The entire display hinge-up is not spared.
If you only need to remove the display bezel, webcam/microphone module, or display panel, you do not need
to remove the entire display assembly from the computer. See
Display subcomponents (bezel, webcam,
panel) on page 54 for more information about removing the display subcomponents that do not require that
you remove the entire display assembly from the computer.
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 36 ).
5. Remove the following components:
a. Service doors (see Service door on page 37 ).
b. Hard drive (see Hard drive on page 39 )
c. Optical drive (see Optical drive on page 43 )
d. WLAN module (see WLAN/Bluetooth combo card on page 45 )
e. WWAN module (see WWAN module on page 47 )
f. Keyboard (see Keyboard on page 49 )
g. Top cover (see Top cover on page 58 )
Remove the display assembly:
1. Position the computer upside down.
88 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts