Fix Stuck Pixel. Stuck pixels are most noticeable when the rest of the screen is black. To fix a stuck or dead-looking pixel, use a third-party tool to flash the pixel with multiple colors.
Have dead or stuck pixels on your laptop screen or retina display?
You can search for Stuck Pixel App or Pixel Fixing Software in any search engine such as google or yahoo.
A stuck pixel occurs when one or two of the color subpixels remain activated even when they're Additionally, since dead pixels are difficult to fix, replacing your monitor via the manufacturer's. It's probably a pixel that's stuck on, and here's what you can do about it. This wikiHow teaches you how to fix a pixel that won't change color on your LCD monitor.