How to Troubleshoot a Dead Pixel


Take help of these tips to fix a stuck, dead or black pixel. On display, dead pixels takes place when a single pixel in display stops lighting up. It will cause a tenacious black spot on display. Fixing a dead pixel is difficult. Users often end up replacing the screen.

What is the reason behind Dead Pixels?

Source – dead pixel

A manufacturing defect can be one of the most common causes behind dead pixels. Some of the small errors in the assembly will be resulting in dead pixels among several functions. Dead pixels will also appear in display’s life. It can be due to physical damage. Some of the dead pixels occur when transistor cant supply power. Associated pixel would stay black permanently.

Stuck Pixel or Dead Pixel?

Both of these pixels may look almost similar. But there are significant differences between them. Dead pixels are those that will not turn on anymore. A stuck pixel, on the contrary, is those pixels that are on permanently. Inverse puzzles create stuck pixels in comparison to the dead ones. Rather than turning off, transistor related to the stuck pixel is on constantly. An entire pixel can be affected. A stuck pixel will look bright. Mark on the screen will be either green, blue, white, or red. If the questionable pixel is stagnant, then it will seem a little box.

Discovering a still or stuck pixel

You suspect a stuck or dead pixel; then you can’t scrutinize the situation with the help of software tools. Very often, solid colors will be displayed by the program on the entire screen. Your eyes could quickly choose out pixels that are not correctly functioning.

How to Fix Dead Pixel on the Monitor, Tablet or Smartphone

  • Replace the Screen

Replacing the screen is one of the most reliable ways to fix dead pixel. There are many manufacturers with a warranty that covers up dead pixels. Check warranty of your device to view if the situation appeals to you also. Maximum of the corporations need smallest number of dead pixels before replacement of the screen. For display, a computer monitor is 4-8 dead pixels. Small displays have low requirements.

  • Wait till the pixel disappears

Just wait for the absolute pixel to fade away. This happens a lot, but nothing can be said about the time. The dead pixel may have gone away in a week, or it may take remaining life of the device. You can’t predict anything.

Go for a Stuck Pixel Method

Pressure and Heat

These methods are quite risky. Users need to take steps with caution. These methods include physical messing with the screen.

  • Pressure method

Wrap up the tip of a blunt pencil. Tap the tip of cloth against dead pixel for some seconds. Try to apply it with pressure at the place of a pencil. Avoid pushing on the non-dead pixels.

  • Heat method

Just soak up a cloth in hot water. Keep fabric in a plastic zip-top pocket. It will block the water from reaching your display. Just hold that cloth against dead pixel for some seconds.

Robert Coleman is a Microsoft Office expert and has been working in the technical industry since 2002. As a technical expert, Robert has written technical blogs, manuals, white papers, and reviews for many websites such as office.com/setup.