Dell E2223HN 서비스 매뉴얼 - 페이지 10
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Dell E2223HN에 대해서도 마찬가지입니다: 사용자 설명서 (49 페이지)
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Service Manual
Your monitor has a built-in diagnostic tool that helps you determine if any screen abnormality you experience 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 Button 4 for about 4 seconds and wait for a pop up menu.
3.
Use Button 1 or 2 to select the
4.
Carefully inspect the screen for abnormalities.
5.
Press Button 1 to change the test patterns.
6.
Repeat steps 4 and 5 to inspect the display in 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 Button 1 to end the diagnostic program.
6.
Trouble Shooting Instructions
and press
to confirm. A gray test pattern appears at the beginning of the diagnostic program.
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