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4
Support and troubleshooting
Solving common problems
The following table lists possible problems, the possible cause of each problem, and the recommended
solutions.
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.
OSD Lockout is displayed.
Power Button Lockout is
displayed.
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 Lockout function
is enabled.
The monitor's Power Button Lockout
function is enabled.
Solution
Connect the power cord.
Press 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. See
on page 5
for more information.
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. See
resolutions on page 23
for more information.
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 bottom side of the
front bezel for 10 seconds to disable the OSD Lockout
function.
Press and hold the Power button for 10 seconds to disable the
Power Button Lockout function.
Solving common problems
Connecting the cables
Preset display
15
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