64
| Troubleshooting
3.
Select the built-in diagnostics
option. A gray screen appears.
4. Carefully inspect the screen for abnormalities.
5.
Press
button 1
on the front panel again. The color of the screen changes to
red.
6.
Inspect the display for any abnormalities.
7.
Repeat steps 5 to 6 to inspect the display when it changes to green, blue,
black, white, and text screens.
The test is complete when the text screen appears. To exit, press
button 1
again.
If you do not detect any screen abnormalities during the built-in diagnostic tool, the
monitor is functioning properly. Check the video card and computer for any possible
issues.