Function Test; Support And Troubleshooting - HP P24q G4 Maintenance And Service Manual

Function test

After repair, be sure to confirm that all functions are working.
Table 4-1:
Test item Te
Function test
st item
HDMI test
HDMI test
D-SUB test
DP test
Table 4-1:

Support and troubleshooting

Audio test
The following table lists possible problems, the possible cause or each problem, and the recommended
solutions.
Table 4-2:
Problem
Screen is blank
or video is
flashing.
Image appears
blurred,
16
Function test
Operating description Operating description
Confirm whether image displays and sound
plays correctly on the monitor.
After repair, be sure to confirm that all functions are working.
Confirm whether image displays and sound
plays correctly on the monitor.
Confirm whether image displays and sound
plays correctly on the monitor.
Confirm whether image displays and sound
plays correctly on the monitor.
Function test
Change volume and balance to confirm whether
volume is smooth and loud enough.
Solving common problems
Possible cause
Power cord is disconnected.
Monitor is off.
Master power switch is set to off.
Video cable is improperly connected.
System is in Auto-Sleep Mode.
Video card is incompatible.
Brightness is too low.
Tool used Tool used
Computer or DVD player
Computer or DVD player
Computer or D-SUB player
Computer or DVD player
Speaker
Solution
Connect the power cord.
Power the power button.
NOTE: If pressing the
Power button has no
effect, press and hold the
power button for 10
seconds to disable the
Power button lockout
feature.
Set the master power
switch on the rear of the
monitor to the On position.
Connect the video cable
properly.
Press any key on the
keyboard or move the
mouse to inactivate the
screen blanking utility.
Open the OSD menu and
select the Input menu. Set
AutoSwitch Input to Off
and manually select the
input, or replace the video
card or connect the video
cable to one of the
computer's on-board video
sources.
Open the OSD menu and
select Brightness to adjust