Display Panel In 20-Inch Models - HP ProOne 400 23.8-inch G4 All-in-One Business PC Maintenance & Service Manual

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14.
Lift the chassis up, and then route the display cable (3) and the backlight cable (4) through the holes in
the chassis.
15.
Remove the chassis from the display panel.
16.
Remove the seven screws that secure the plastic frame from the display, and then lift the frame off the
display.
IMPORTANT:
reuse any old parts. Return all old parts to HP for warranty processing.
CAUTION:
to use the correct cable may result in panel failure.
To replace the rear enclosure and main chassis, reverse the removal procedures.

Display panel in 20-inch models

To remove the display panel:
1.
Prepare the computer for disassembly (see
2.
Remove the stand (see
3.
Remove the rear port cover (see
50
Chapter 4 Removal and Replacement Procedures
Install the new display panel together with all other parts in the replacement kit. Do not
It is very important to use the exact cable that shipped with the replacement panel. Failure
Stand on page
Rear port cover on page
Preparing to disassemble the computer on page
21).
23).
21).

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Proone 400 20-inch g4 all-in-one business pc

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