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Built-in diagnostics
Your monitor has a built-in diagnostic tool that helps you determine if the screen
abnormality you are experiencing is an inherent problem with your monitor, or with your
computer and video card.
To run the built-in diagnostics:
1.
Ensure that the screen is clean (no dust particles on the surface of the screen).
2.
Press and hold in Up or Down or Left or Right direction for 4 secs and wait for a
pop up nenu.
3.
Use up or down direction to select the
and press
to confirm.
A gray test pattern appers at the beginning of the diagnostic program.
4.
Carefully inspect the screen for abnormalities.
5.
Select Up or Down or Left or Right key to change the test patterns.
6.
Repeat steps 4 and 5 to inspect red, green, blue, black, white and text screens.
7.
When in White color test screen, check for white color uniformity and if there
white color appears greenish/reddish, etc.
8.
Press Up or Down or Left or Right key to end the diagnostic program.
