Support And Troubleshooting - HP P22 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 4-3: Solving common problems
Problem Possible cause
Screen is blank Power cord is disconnected.
or video is
flashing.
Monitor is off.
Video cable is improperly connected.
System is in Sleep mode.
Video card is incompatible.
Image appears Brightness is too low.
blurred,
indistinct, or too
dark.
Check Video Monitor video cable is disconnected.
Cable is
displayed on
screen.
Input Signal Out Video resolution and/or refresh rate are
of Range is set higher than what the monitor
displayed on supports.
screen.
The monitor is The monitor's power saving control is
off, but it did not disabled.
seem to enter
into Sleep mode.
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 > Auto-Sleep Mode and set auto-
sleep to On.