HP ProBook 450 G2 Notebook PC HP ProBook 455 G2 Notebook PC Maintenance and Service Guide

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 60 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 43).
5. Remove the following components:
a. Service doors (see
Service door on page 44).
b. Hard drive (see
Hard drive on page 46)
c. Optical drive (see
Optical drive on page 50)
d. WLAN module (see
WLAN/Bluetooth combo card on page 52)
e. WWAN module (see
WWAN module on page 54)
f. Keyboard (see
Keyboard on page 56)
g. Top cover (see
Top cover on page 64)
Remove the display assembly:
1. Position the computer upside down.
Component replacement procedures 95