Support And Troubleshooting - HP E22 G5 Maintenance And Service Manual

Support and troubleshooting

The following table lists possible problems, the possible cause or each problem, and the
recommended solutions.
Table 4-2:
Solving common problems
Problem
Screen is blank or
video is flashing.
Image appears
blurred, indistinct,
or too dark.
Check Video
Cable is displayed
on screen.
Input Signal Out of
Range is displayed
on screen.
The monitor is off,
but it did not seem
Possible cause
Power cord is disconnected.
Monitor is off.
Video cable is improperly connected.
System is in Sleep mode.
Video card is incompatible.
Brightness is too low.
Monitor video cable is disconnected.
Video resolution and/or refresh rate
are set higher than what the monitor
supports.
The monitor's power saving control is
disabled.
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.
Connect the video cable
properly.
Press any key on the
keyboard or move the
mouse to exit Sleep mode.
Open the OSD menu and
select the Input Control
menu. Set Auto-Switch Input
to Off and manually select
the input
Open the OSD menu and
select Brightness to adjust
the brightness scale as
needed.
Connect the appropriate
video signal cable between
the computer and monitor.
Be sure that the computer
power is off while you
connect the video cable.
Change the settings to a
supported setting.
Open the OSD menu and
select Power Control >