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48 Troubleshooting
Built-in diagnostics
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.
1
2
3
4
Figure 41. Built-in diagnostics function buttons
Table 21. Label description.
Label Description
1
Button 1
2
Button 2
3
Button 3
4
Button 4
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 and press to confirm.
A gray test pattern appears at the beginning of the diagnostic program.
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 and so on.
8. Press Button 1 to end the diagnostic program.
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Productinformatie
| Merk | Dell |
| Model | SE2425HM |
| Categorie | Monitor |
| Taal | Nederlands |
| Grootte | 5504 MB |
