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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
Possible cause
Solution
Screen is blank or
video is flashing.
Power cord is disconnected.
Connect the power cord.
Monitor is off.
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.
Video cable is improperly connected.
Connect the video cable
properly.
System is in Sleep mode.
Press any key on the keyboard
or move the mouse to exit
Sleep mode.
Video card is incompatible.
Open the OSD menu and
select the Input Control menu.
Set Auto-Switch Input to Off
and manually select the input
Image appears
blurred, indistinct,
or too dark.
Brightness is too low.
Open the OSD menu and
select Brightness to adjust the
brightness scale as needed.
Check Video Cable
is displayed on
screen.
Monitor video cable is disconnected.
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.
Input Signal Out
of Range is
displayed on
screen.
Video resolution and/or refresh rate are set higher
than what the monitor supports.
Change the settings to a
supported setting.
The monitor is off,
but it did not seem
to enter into Sleep
mode.
The monitor’s power saving control is disabled.
Open the OSD menu and
select Power Control > Auto-
Sleep Mode and set auto-sleep
to On.
On-Screen Menus
are Locked is
The monitor’s OSD lock function is enabled.
Press and hold the Menu
button on the front bezel to
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