4 Support and troubleshooting
Solving common problems
The following table lists possible problems, the possible cause of each problem, and the recommended
solutions.
Problem Possible Cause Solution
Screen is blank or video is
ashing.
Power cord is disconnected. Connect the power cord.
Monitor is o. Press the Power button.
NOTE: If pressing the Power button has no eect, 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. See Connecting the cables
on page 5 for more information.
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 O 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 o
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. See Preset display
resolutions on page 23 for more information.
The monitor is o 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.
OSD Lockout is displayed. The monitor's OSD Lockout function
is enabled.
Press and hold the Menu button on the bottom side of the
front bezel for 10 seconds to disable the OSD Lockout
function.
Power Button Lockout is
displayed.
The monitor's Power Button Lockout
function is enabled.
Press and hold the Power button for 10 seconds to disable the
Power Button Lockout function.
Solving common problems 15
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