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Product Specific Problems
Specific Symptoms What You Experience Possible Solutions
Screen image is too small Image is centered on screen, but does not
fill entire viewing area
Check the Scaling Ratio setting in the Image Setting OSD.
Reset the monitor to Factory Settings.
Cannot adjust the monitor with the buttons
on the front panel
OSD does not appear on the screen
Turn off the monitor, unplug the power cord, plug it back, and then turn on the monitor.
Check whether the OSD menu is locked. If yes, press and hold the button above the Power button for 10 seconds to unlock
(for more information, see Menu Lock
).
No Input Signal when user controls are
pressed
No picture, the LED light is blue.
Check the signal source. Ensure the Computer is not in the power saving mode by moving the mouse or pressing any key on
the keyboard.
Check whether the signal cable is plugged in properly. Re-plug the signal cable if necessary.
Reset the computer or video player.
The picture does not fill the entire screen. The picture cannot fill the height or width
of the screen
Due to different video formats (aspect ratio) of DVDs, the monitor may display in full screen.
Run the built-in diagnostics.
NOTE: When choosing DVI-D mode, the Auto Adjust function will not be available.
Universal Serial Bus (USB) Specific Problems
Specific Symptoms What You Experience Possible Solutions
USB interface is not working USB peripherals are not working
Check that your monitor is turned ON.
Reconnect the upstream cable to your computer.
Reconnect the USB peripherals (downstream connector).
Switch off and then turn on the monitor again.
Reboot the computer.
Some USB devices like external portable HDD require higher electric current; connect the device directly to the computer
system.
High Speed USB 2.0 interface is slow. High Speed USB 2.0 peripherals working
slowly or not working at all
Check that your computer is USB 2.0-capable.
Some computers have both USB 2.0 and USB 1.1 ports. Ensure that the correct USB port is used.
Reconnect the upstream cable to your computer.
Reconnect the USB peripherals (downstream connector).
Reboot the computer.
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