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3
Support and troubleshooting
Solving common problems
The following table lists possible problems, the possible cause of each problem, and the recommended
solutions.
Table 3-1
Common problems and solutions
Problem
Screen is blank or video is
flashing.
Image appears blurred,
indistinct, or too dark.
Check Video Cable is
displayed on the screen.
Input Signal Out of Range
is displayed on screen.
The monitor is off but it did
not seem to enter into a
low-power sleep mode.
OSD Lockout is displayed.
Power Button Lockout is
displayed.
Button lockouts
Holding down the power button or
functionality of the buttons. You can restore the functionality by holding the buttons down again for ten
seconds. This functionality is only available when the monitor is turned on and displaying an active signal,
and the OSD menu is closed.
22
Chapter 3 Support and troubleshooting
Possible Cause
Power cord is disconnected.
Monitor is turned off.
Video cable is improperly
connected.
System is in sleep mode.
Video card is incompatible.
Brightness setting is too low. Open the OSD menu and select Brightness to adjust the brightness scale
Monitor video cable is
disconnected.
Video resolution and/or
refresh rate are set higher
than the monitor supports.
The monitor's power saving
control is disabled.
The monitor's OSD Lockout
function is enabled.
The monitor's Power Button
Lockout feature is enabled.
Menu
button on the front panel for ten seconds will lock out the
Solution
Connect the power cord.
Press the front panel 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. Refer to
on page 12
for more information.
Press any key on the keyboard or move the mouse to inactivate the
screen blanking utility.
Open the OSD menu and select the Input Control menu. Set Auto-Switch
Input to Off and manually select the input.
as needed.
Connect the appropriate video signal cable between the computer and
monitor. Be sure that the computer power is off while connecting the
video cable.
Change the settings to a supported setting (see
resolutions on page
27).
Open the OSD menu and select Power Control, select Auto-Sleep Mode,
and then set auto-sleep to On.
Press and hold the
Menu
button on the front panel for 10 seconds to
disable the OSD Lockout function.
Press and hold the power button on the front panel for 10 seconds to
unlock the power button function.
Connecting the cables
Preset display
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