Support And Troubleshooting - HP M32fw 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 to enter
into Sleep mode.
On-Screen Menus
are Locked is
displayed.
Power Button is
Locked is
Displayed
No low-power
sleep mode
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.
The monitor's OSD lock function is enabled.
The monitor's power button is locked.
The monitor's power button is locked.
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.
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.
Press and hold the power button for 10
seconds to disable the power button lock
function.
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