Common Causes of LCD Monitor problems

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The PC monitor allows you to visually see the results of the computer’s work, whether it’s a text document, an image, a movie, calculation results, or the display of various applications. One of the most useful output devices is a computer screen or monitor. Some of the most common computer monitor issues include blank screens, monitors that do not turn on, and images that are too small or blurry.

The following are some of the most common causes of LCD monitor problems:

  1. White spots: White spots on a monitor are common on laptop soft screens. They can appear due to a variety of factors, including touching or cleaning the screen with chemicals. The temperature of the laptop’s screen is one obvious factor. This usually happens because the transistor films are deformed, resulting in a “hologram effect.”
  2. Pixels are always off or always on: This occurs when a transistor is damaged, becomes overly sensitive, or ceases to respond properly to electric stimuli. This results in always-on white squares or black spots. There are numerous causes for this, and once it occurs, it is nearly impossible to reverse. If the monitor is brand new, it is best to replace it right away. There are some solutions to this problem, but they can exacerbate the situation if not implemented correctly.
  3. Microfissure or expanding colourful dots: This occurs as a result of a tear, which produces oxygen in the areas between the plastic film TT and the screen. It can be stopped by applying acrylic, such as nail glue, to the damaged surface. This will only slow the spread of the spots that distort the colors on the screen, so it is preferable to replace the monitor with a new one. You can avoid this issue by not touching the screen and keeping it away from hot environments like sunlight.
  4. Ghost image and persistent image: It is a problem with old monitors and CRT displays. It happened when the phosphorus-based screen froze on an image. It occurred as a result of the user’s carelessness in pausing the VCR or DVD and then forgetting about it. This issue occurs on LCD screens from time to time, though it may be temporary depending on the model and technology. The main issue is not that it is temporary, but that it damages some transistors, causing some pixels to remain on or off indefinitely.
  5. Response time: The time it takes for a pixel to transition from white to black or grey is an LCD technology effect. Even though we can’t see it, this is one of the most serious drawbacks of this technology. They will be replaced by new systems, such as OLCD (Organic Liquid Crystal Display). This causes monitors with a response time of less than 16 milliseconds to overlap when moving or displaying a continuous sequence of images.

Automat Electronic Services is the market leader in the Middle East in the Field of Industrial Automation Repairs and Services, operating the largest network of Industrial Repair and Distribution facilities. If you looking for an LCD screen repair or HMI touch screen repair in Dubai, contact us.

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