What is a Stuck Pixel?

• A stuck pixel typically either displays the wrong color or the wrong level of brightness. Stuck pixels sometimes flicker, and they may appear in groups. A stuck pixel can be due to many problems, including minor technical malfunctions, manufacturing defects within the LCD panel, or compatibility issues with certain software applications. Stuck pixels are a common occurrence in monitors that are getting older or that haven't been used in a long time.
  
  

Fixing Stuck Pixels

• Stuck pixels are typically a temporary problem, though they may be reoccurring. Switching your monitor off and on a few times typically fixes the problem, especially when the stuck pixel is only appearing within a particular program. One of the most popular fixes for a stuck pixel is to just apply a bit of pressure. Cover your finger in an anti-static cleaning cloth, then gently rub or tap the stuck pixel until it resets.
  
  

What is a Dead Pixel?

• Unlike a stuck pixel, which can be fixed, a dead pixel is permanently switched off. Dead pixels appear as a black dot on the screen. While dead pixels can also be caused by manufacturing defects, their causes tend to be more serious than those that create stuck pixels. A dead pixel is usually the result of a lack of power flowing to that particular pixel. This indicates that the transistor, which carries power to the pixel, has been damaged. There is no way to fix a dead pixel.
  
  

Preventing Damaged Pixels

• LCD screens are very sensitive to touch and physical damage. Touching a computer monitor with your bare fingers runs the risk of interfering with the normal operation of the LCD screen. Even the oil and moisture from your skin can pose problems for your screen. Hard knocks or drops can also result in screen problems. Always handle your monitor gently, avoid touching the screen, and make sure that your monitor is placed on a flat, stable surface.