Support And Troubleshooting - HP X27q 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
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.
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
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