Monitor Screen Issues: How to Diagnose and Fix Common Problems
Most monitor screen issues trace to a loose cable, a display driver, or wrong settings. Here is how to spot the cause and fix each one fast.
Monitor Troubleshooting
Monitor acting up? Find the cause and the fix, dead pixels, no-signal errors, screen burn-in, power-save loops, flicker, and the other faults that drive people mad.
ViewSonic Monitor Repair: Fix Common Problems and When to Send It In
Most ViewSonic monitor faults are fixable. Try quick cable and input checks first, then use the 3-year warranty repair for hardware faults.
Dust Under Monitor Screen: What It Is and How to Fix It
A speck that will not wipe off sits under the panel front layer, usually dust or a tiny insect that came in through a vent. Here is what you can do.
LED Monitor Burn In: What Actually Happens and How to Fix It
LED monitors are LCDs with LED backlights, so they get temporary image retention, not permanent burn-in. It clears once the panel rests.
Monitor Pixel Inversion: What It Is and How to Test It
Pixel inversion is an LCD polarity pattern showing up as faint lines, mesh or shimmer. It is normal panel behaviour, and no monitor setting removes it.
LED Monitor Dead Pixel: How to Test It and What You Can Claim
A dead pixel stays black because its transistor failed, and it cannot be fixed. Here is how to tell it from a stuck pixel and what warranty covers.
Acer Monitor Cable Not Connected? Here's How to Fix It
An Acer monitor shows Cable Not Connected when no video signal reaches the selected input. Check the input source, reseat the cable, and use the GPU port.
LCD Monitor Without Backlight: How It Works and What to Buy
Yes, LCD monitors without a backlight exist: reflective RLCD screens use room light instead. Here's how they work, plus OLED and e-ink alternatives.
Monitor Screen Door Effect: Causes, Lookalikes, and Fixes
The screen door effect is a visible grid between a monitor's pixels, caused by low pixel density and close viewing. Fix it with distance or more PPI.
Burn In on LCD Monitor: What It Is and How to Fix It
LCD monitors rarely get true burn-in. That ghost image is usually temporary retention you can clear in a few hours. Here is how to fix and prevent it.
No Signal on ViewSonic Monitor? Here's How to Fix It
No Signal means your ViewSonic has power but no picture. Check the cable, pick the right input source, and confirm the PC is sending video.
LCD Monitor Screen Burn: What It Is and How to Fix It
Screen burn on an LCD monitor is usually temporary image retention, not permanent damage. Here is how to tell, and how to clear the ghost image.
AOC Monitor Dead Pixel: How to Spot It, Fix It, and Claim Warranty
Found a dead pixel on your AOC monitor? Learn how to tell dead from stuck, the fixes worth trying, and exactly when AOC's warranty will replace it.