User Manual

3 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.
Power button is turned o. Press the power button on the front of the monitor.
NOTE: If pressing the power button has no eect, 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. For more information, see
Connecting the cables on page 5.
System is in sleep mode. Press any key on the keyboard or move the mouse to
inactivate the screen blanking utility.
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 setting 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 connecting the video cable.
Input Signal Out of Range is
displayed on screen.
Video resolution and/or refresh rate
are set higher than the monitor
supports.
Change the settings to a supported setting. For details, see
Preset display resolutions on page 18.
The monitor is o but it did
not seem to enter into a low-
power sleep mode.
The monitor's power saving control is
disabled.
Open the OSD menu and select Power Control, select Auto-
Sleep Mode, and then 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 side of the monitor 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 on the front of the monitor
for 10 seconds to unlock the power button function.
Button lockouts
Holding down the power button or Menu button for ten seconds will lock out the 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 is closed.
14 Chapter 3 Support and troubleshooting