Dead Pixel vs Stuck Pixel (and How to Fix One)
Quick answer: A stuck pixel is stuck on one colour (red, green or blue) and can often be revived; a dead pixel stays black and usually cannot be fixed because it receives no power. Run a colour test to tell them apart.
Find and classify the spot: open the dead pixel test and cycle through solid red, green, blue, white and black.
How to tell them apart
On solid colour backgrounds, a stuck pixel stays one fixed colour while everything around it changes — it is lit, just frozen. A dead pixel shows as a black dot on a white screen and never lights up on any colour, because no signal is reaching it.
How to fix a stuck pixel
Stuck pixels can often be freed by rapidly flashing colours over them for 10–30 minutes, which exercises the sub-pixels. A second method is to power the screen on, then gently massage the exact spot through a soft cloth. The longer a pixel has been stuck, the lower the chance, so try early.
Can a dead pixel be fixed?
Usually not — a truly dead pixel gets no power, so colour-cycling and pressure do nothing. Your best route is warranty or return. Manufacturers publish a minimum number of faulty pixels that qualifies for replacement, so check the policy and act before the return window closes.
Confirm the result
Re-run the dead pixel test after trying a fix. For a full new-monitor check, see our guide on checking a monitor for dead pixels.
The Key Difference
Dead and stuck pixels are often confused, but they're different faults with different odds of repair. A dead pixel receives no power at all, so it stays completely black no matter what's on screen — it's effectively switched off, and because the cause is usually a failed transistor, it's normally permanent. A stuck pixel is the opposite: one of its three subpixels (red, green or blue) is locked on, so it always shows that colour. Because the pixel still has power and the subpixel is just jammed, stuck pixels can often be coaxed back to life.
How to Tell Them Apart
A quick colour test settles it. Run the dead pixel test and watch the suspect spot through each full-screen colour. If the dot stays black on every colour, including white, it's a dead pixel. If it shows a colour — most visibly a red, green or blue dot against a black screen — it's stuck. A stuck pixel may also change or disappear on certain colours, while a dead one never lights up. Make sure the screen is clean first, because a speck of dust looks just like a black pixel until you wipe it away.
Fixing a Stuck Pixel
Stuck pixels are worth trying to fix, with two common methods. Rapid colour cycling flashes the area through colours at speed, which can exercise the jammed subpixel until it frees up — leave it running for anywhere from a few minutes to an hour. The pressure method involves switching the screen off, placing a soft cloth over a fingertip, pressing very gently on the exact spot, and turning the screen on while releasing. Both can work; neither is guaranteed, and you should always press lightly to avoid creating more damage. Several stuck pixels near each other lower the odds but don't rule out success.
When It's Dead: Your Options
If the spot stays black through every colour and fixes do nothing, it's a dead pixel and your realistic options are warranty or tolerance. Check the maker's dead-pixel policy: many allow replacement once the count crosses a threshold, and premium panels often promise zero dead pixels. Test a new monitor immediately so any claim lands inside the return window, and photograph the test screen as evidence. A single dead pixel near the edge is easy to ignore in daily use; one in the centre is far more distracting and a stronger case for replacement. Knowing which fault you have is the first step in deciding what to do.
How Likely a Fix Is to Work
Knowing your odds helps you decide how much effort to spend. Stuck pixels have a reasonable chance of recovery, because the subpixel still has power and is merely jammed — colour-cycling or gentle pressure frees many of them, sometimes after running for a while. There's no fixed success rate, but it's common enough to be worth trying, and trying costs nothing. Dead pixels are a different story: with no power reaching the pixel, there's nothing to coax back, so fixes rarely work and the realistic path is warranty or living with it. Give a stuck pixel several attempts and some patience — a fix can take minutes, an hour, or a session left running overnight — but if a black pixel stays black through every colour and every method, it's time to stop and consider a claim instead.
Frequently Asked Questions
What is the difference between a dead pixel and a stuck pixel?
A dead pixel gets no power and stays black on every colour — usually permanent. A stuck pixel has one subcolour locked on, so it glows red, green or blue, and can often be revived. Stuck pixels are fixable; dead ones rarely are.
How do I know if my pixel is dead or just stuck?
Run a colour test and watch the spot. If it stays black on every colour including white, it's dead. If it shows a colour — especially against a black screen — it's stuck. Clean the screen first so dust isn't mistaken for a dead pixel.
Can a stuck pixel fix itself?
Sometimes, yes. Stuck pixels occasionally free up on their own with normal use, since the subpixel is jammed rather than dead. You can speed it along with rapid colour-cycling or gentle pressure on the spot.
Is a dead pixel covered by warranty?
Often, once the number crosses the maker's threshold — and premium monitors frequently promise zero dead pixels. Check the dead-pixel policy, test a new screen within the return window, and photograph the fault as evidence for a claim.
How long should I run a pixel-fixing tool?
Anywhere from a few minutes to an hour, and some people leave it running overnight for a stubborn stuck pixel. Results vary and aren't guaranteed, but a stuck subpixel sometimes needs sustained colour-cycling before it frees up.
Can the pressure method damage my screen?
Yes, if you press too hard — excessive force can create more stuck pixels or worse. Use a soft cloth over your fingertip and press very gently on the exact spot only. If you're unsure, stick to the colour-cycling method.
Are stuck pixels more common than dead pixels?
Both occur, and either can be present from new or develop later. The practical point is that stuck pixels — the ones glowing a colour — are worth trying to fix, while truly dead black pixels usually need a warranty claim.
Does colour-cycling work on dead pixels too?
No. Colour-cycling and pressure only help stuck pixels, where the subpixel has power but is jammed. A dead pixel receives no power at all, so there's nothing to exercise back to life — it usually needs a warranty replacement.
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