Removal And Replacement Procedures For Authorized Service Provider Parts; Component Replacement Procedures; Display Subcomponents (Bezel, Webcam, Panel) - HP 255 G3 Maintenance And Service Manual

6 Removal and replacement procedures for
Authorized Service Provider parts
CAUTION: Components described in this chapter should only be accessed by an authorized service provider.
Accessing these parts can damage the computer or void the warranty.
NOTE: HP continually improves and changes product parts. For complete and current information on
supported parts for your computer, go to http://partsurfer.hp.com, select your country or region, and then
follow the on-screen instructions.

Component replacement procedures

NOTE: Details about your computer, including model, serial number, product key, and length of warranty,
are on the service tag at the bottom of your computer. See
This chapter provides removal and replacement procedures for Authorized Service Provider only parts.
There are as many as 56 screws that must be removed, replaced, or loosened when servicing Authorized
Service Provider only parts. Make special note of each screw size and location during removal and
replacement.

Display subcomponents (bezel, webcam, panel)

This section describes removing display subcomponents that do not require that you remove the entire
display assembly from the computer. You can remove the display bezel, webcam/microphone module, and
display panel while the display assembly is still attached to the computer.
To remove the remaining display subcomponents, you must remove the entire display assembly from the
computer. See
its entirety.
Description
Raw display panel
Models without a touch screen
Models with a touch screen, includes bezel
Display bezel (non-touch models)
Webcam/microphone module
Before removing display subcomponents while the display assembly is still attached to the computer, 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.
Display assembly on page 66
Labels on page 13
for more information about removing the display assembly in
for details.
Spare part number
750635-001
774167-001
749644-001
749654-001
Component replacement procedures 39