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VGA mode
Defaults to this mode for trouble shooting.
Usually Bad or incorrect driver.
Malware.
No image on the screen.
Cable issue/ no power to monitor.
Computer/monitor not turned on.
Dedicated card - cables/power. Driver settings, not seated properly.
Integrated card - Driver, Driver not turned on in BIOS.
Overheat Shutdown
Fan not spinning - no cooling.
Overclocked to much.
Dirt/dust/debris.
Dead Pixels
Too much pressure on the screen.
Dust on LCD matrix.
Cracked screen.
Malfunction.
Artifact
Drawing error by video card.
Software/hardware/driver issues.
Overheating.
Incorrect Color Patterns
Graphics card - check with external monitor.
Display hardware - try reseating the display cable if on laptop.
Dim image
Power issue.
Graphics Card.
Dirty projector lens.
Projector lamp nearing end of life.
Settings are turned down.
Flickering Image
The refresh rate for the monitor might be set too low.
Video Card driver.
Monitor might be damaged.
Cable connections.
Distorted Image
Check power cables.
Check the settings on the monitor.
Look for anything that might generate an electromagnetic field.
Check refresh rate.
Drivers.
Distorted Geometry
Check Cables.
EMI.
Refresh rate.
Software issue from OS.
Bad monitor.
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