62 | Troubleshooting
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.
NOTE: You can run the built-in diagnostics only when the video cable is
unplugged and the monitor is in self-test mode.
To run the built-in diagnostics:
1. Ens
ure that the screen is clean (no dust particles on the surface of the
screen).
2. Press and
hold Button 5 for four seconds until a menu appears on the
screen.
3. Us
ing the joystick control, highlight the Diagnostics option and press
the joystick button to start the diagnostics. A grey screen is displayed.
4. O
bserve if the screen has any defects or abnormalities.
5. Togg
le the joystick once again until a red screen is displayed.
6. O
bserve if the screen has any defects or abnormalities.
7. Repeat steps 5 and
6 until the screen displays green, blue, black, and white
colors. Note any abnormalities or defects.
The test is complete when a text screen is
displayed. To exit, toggle the joystick
control 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.
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