Is It a Stuck or Dead Pixel? Can a pixel die? Can a pixel resuscitate? Yes!
What if you spot an odd pixel? Is what you see just a stuck pixel, or is it, in fact, a dead pixel?

A stuck pixel, sometimes wrongfully referred to as a hot pixel, is defective because it receives incomplete information. Hence, it appears in one of the colors that its three sub-pixels can form, i.e., red, green, or blue. Strictly speaking, hot pixels only appear in digital cameras when electrical charges leak into the camera’s sensor wells. Sometimes, stuck pixels fix themselves.

In a dead pixel, all sub-pixels are permanently off, which will make the pixel appear black. The cause could be a broken transistor. In rare cases, however, even a black pixel may just be stuck. So if you’re seeing a colored or white pixel, you might manage to fix it. And if you see a black pixel, chances are low, but there is still hope.

Manually Fix Stuck Pixels
Should none of these tools resolve your stuck or dead pixel issue, here is one last chance. You can combine any of the tools detailed above and the magic power of your own hands. There is a very good description of all available techniques on wikiHow. Another great step-by-step guide can be found on Instructables.

Let’s go through one technique real quick:

Turn off your monitor.
Get yourself a damp cloth so that you won’t scratch the screen.
Apply pressure to the area where the stuck pixel is. Try not to put pressure anywhere else, as this may trigger the creation of more stuck pixels.
While applying pressure, turn on your computer and screen.
Remove pressure, and the stuck pixel should be gone.
This works because, in a stuck pixel, the liquid in one or more of its sub-pixels has not spread equally. When your screen’s backlight turns on, different amounts of liquid pass through the pixel to create different colors. When you apply pressure, you’re forcing the liquid out, and when you release the pressure, chances are the liquid will push in, spreading around evenly as it should.

What to Do If You Can’t Fix Your Stuck or Dead Pixel?

When all attempts to revive your bad pixel fail, the next best thing you can do is to make peace with it. One ugly pixel won’t break your screen, and eventually, you’ll forget about it. If the defect affects more than a single pixel, however, or just bothers you a lot, you can always replace your monitor.

First, check the warranty. The manufacturer or the marketplace where you purchased the monitor might cover dead pixels. Note that most manufacturers define a maximum number of allowable bad pixels for specific resolutions, and the warranty won’t apply until your monitor crosses that threshold.

more info there https://www.makeuseof.com/tag/best-software-solutions-to-fix-a-stuck-pixel-on-your-lcd-monitor/

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