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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 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 back, and then turn on the monitor.
Check whether OSD is locked. If yes, press and hold button above power button for 10 seconds
to unlock. See Menu Lock
.
No Input Signal when user
controls are pressed
No picture, the LED light is green.
When you press "+", "-" or
"Menu" key, the message "No S-
Video input signal", or "No
Composite input signal", or "No
Component input signal" appears
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 to make sure Video Source to S-Video, Composite or Component is powered and playing
video media.
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.
The graphics card sometimes underscan /underscan in HDMI so you will not get a full screen,
instead you will black borders for 4 sides. To overcome, the user is expected to adjust the
overscan/underscan % in the graphics option.
NOTE: When choosing DVI-D/DP/mDP/HDMI 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.
USB 3.0 speed is slow USB 3.0 peripherals working
slowly or not working at all
Check that your computer is USB 3.0 compatible.
Some computers have both USB 3.0 and USB 2.0 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.