4. Carefully inspect the screen for abnormalities.
5. Press the E button on the front panel again. The color of the screen changes to red.
6. Inspect the display for any abnormalities.
7. Repeat steps 5 and 6 to inspect the display in green, blue, and white colored screens.
The test is complete when the white screen appears. To exit, press the E button again.
If you do not detect any screen abnormalities upon using the built-in diagnostic tool, the monitor is functioning properly. Check the video card and computer.
Common Problems
The following table contains general information about common monitor problems you might encounter and the possible solutions.
Ambient light Sensor Lens
Shortcut Key 1 / Up button
Shortcut Key 2 / Down button
Power button (with power light indicator)
l Ensure that the video cable connecting the monitor and the computer is properly connected and secure.
l Verify that the power outlet is functioning properly by using any other electrical equipment.
l Ensure that the power button is depressed fully.
No picture
or no
brightness
l Increase brightness & contrast controls using the OSD.
l Perform monitor self-test feature check.
l Check for bent or broken pins in the video cable connector.
l Run the built-in diagnostics.
Picture is
fuzzy,
blurry, or
ghosting
l Perform Auto Adjust using the OSD.
l Adjust the Phase and Pixel Clock controls using the OSD.
l Eliminate video extension cables.
l Reset the monitor to Factory Settings.
l Change the video resolution to the correct aspect ratio (16:9).
Wavy
picture or
fine
movement
l Perform Auto Adjust using the OSD.
l Adjust the Phase and Pixel Clock controls using the OSD.
l Reset the monitor to Factory Settings.
l Check environmental factors.
l Relocate the monitor and test it in another room.
l Cycle power on-off.
l Pixel that is permanently off is a natural defect that can occur in LCD technology.
l Run the built-in diagnostics.
LCD screen
has bright
spots
l Cycle power on-off.
l Pixel that is permanently off is a natural defect that can occur in LCD technology.
l Run the built-in diagnostics.
Picture too
dim or too
bright
l Reset the monitor to Factory Settings.
l Auto Adjust using the OSD.
l Adjust brightness & contrast controls using the OSD.
l Keep any object clear from the intelligent ambient light sensor.
Screen not
centered
correctly
l Reset the monitor to Factory Settings.
l Auto Adjust using the OSD.
l Adjust brightness & contrast controls using the OSD.
NOTE: When using '2: DVI-D', the positioning adjustments are not available.
Horizontal/Vertical Lines
l Reset the monitor to Factory Settings.
l Perform Auto Adjust using the OSD.
l Adjust Phase and Pixel Clock controls using the OSD.
l Perform monitor self-test feature check and determine if these lines are also in self-test mode.
l Check for bent or broken pins in the video cable connector.
l Run the built-in diagnostics.
NOTE: When using '2: DVI-D', the Pixel Clock and Phase adjustments are not available.
l Reset the monitor to Factory Settings.
