HP P22h G4 Maintenance And Service Manual page 46

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 to enter
into Sleep mode.
On-Screen Menus
are Locked is
displayed.
No low-power
sleep mode
46
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.
The monitor's OSD lock function is enabled.
The monitor's power button is locked.
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.
Press and hold the Menu
button on the front bezel to
10 seconds to disable the
OSD lockout function.
Press and hold the power
button for 10 seconds to
disable the power button
lock function.