Dell G3223D User Manual page 67

6. Repeat step 5 and inspect the screen when it displays the colors green, blue,
black, and white followed by the on-screen text.
7. The test is complete when the text screen appears. To exit, toggle the joystick
button again.
If you do not detect any screen abnormalities upon using the Built-in diagnostics-
tool, the monitor is functioning properly. Check the video card and computer.
Troubleshooting
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