HP 322pf - Function Test; Support and Troubleshooting

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Function test
After repair, be sure to confirm that all functions are working.
Support and troubleshooting
The following table lists possible problems, the possible cause or each problem, and the recommended solutions.
Table 4-1: Function test
Test item Operating description Tool used
HDMI test Confirm whether image displays and sound plays
correctly on the monitor.
Computer or DVD player
DP test Confirm whether image displays and sound plays
correctly on the monitor.
Computer or DVD player
D-SUB test Confirm whether image displays and sound plays
correctly on the monitor
Computer or D-SUB player
Table 4-2: Solving common problems
Problem Possible cause Solution
Screen is blank or
video is flashing.
Power cord is disconnected. Connect the power cord.
Monitor is off. Power the power button.
N
OTE: If pressing the Power
button has no effect, press
and hold the power button for
10 seconds to disable the
Power Button Lockout
feature.
Video cable is improperly connected. Connect the video cable
properly.
System is in Auto-Sleep Mode. Press any key on the
keyboard or move the mouse
to inactivate the screen
blanking utility.
Video card is incompatible. Perform one of the following
actions:
● Open the OSD menu
and select the Input menu.
Set Auto-Switch Input to
Off and manually select the
input.
● Replace the vedio card
or connect the video cable to
one of the computer’s on-
board sources.
Image appears blurred,
indistinct, or too dark.
Brightness is too low. Open the OSD menu and
select Brightness to adjust the