Black dots on the TV screen, causes and how to fix
With an LCD TV you can watch your favorite movies, cartoons and series in excellent quality. However, owners of LCD monitors may encounter the problem of dark spots appearing on the screen. Let’s take a closer look at the causes and what we can do to solve the problem of black dots on the TV screen.
So what are the causes of dark spots on the TV screen? Dark (black) spots on LCD TVs are usually caused by surface debris or dirt, a dead pixel, or a stuck pixel. Of all these problems, the easiest to solve is surface debris or dirt. Conversely, stuck pixels or dead pixels are more difficult to resolve.
Very often dark spots appear on LCD TV screens, including such famous brands as Samsung, Sony, LG and others. They can be located in a corner, centered or in several points at the same time.
The spots do not disappear when you change channels. Even when the TV is off, you can notice that a glare is visible in their place. Furthermore, the dots can be not only black or dark gray but also white or colored. This most likely indicates color errors or other problems.
Did you know that white spots can also appear on your TV? To know more about them, read the article.
Repair of the equipment depends on the source of the stain and the type of TV.
Before you try to take an LCD TV apart or take it to a service center, it’s worth ruling out software failures that are possible with digital broadcasting. The test scheme for Samsung, Sony and LG is common. There may be nuances depending on the TV model.
To eliminate software problems when using a digital broadcast set-top box, do the following:
If the black spots on the LCD TV screen disappear, the cause is most likely a software error. In such a situation, there is no need to disassemble or repair the device. If the malfunction persists, it is best to contact a professional.
One of the reasons for the appearance of stains could be dirt or dust. In such a situation, there is no need to disassemble the equipment or restart it. It is enough to wash the surface of the screen. Because of this:
It is recommended to do this 2 times a week. This will save your TV by making it last longer.
If a defect appears due to water ingress, rinse the matrix. This requires a special cleaner. Running water is not suitable. It contains a large number of invisible impurities, abrasive particles that will settle on the matrix and further worsen the situation.
Cleaning should be done in a well-ventilated area with good ventilation to remove dark spots from the TV matrix. It is recommended to turn on a humidifier, if available. Use soft cotton gloves to clean.
Important! If the screen is cracked, it needs to be replaced. And this can only be done in a professional workshop or service center.
Important! If your TV is still under warranty, you don’t need to take it apart yourself. After each of your interventions, the guarantee will no longer be valid. And repairs will be carried out for you for free or at a big discount and at the service center.
Rarely cleaning the surface from dirt and dust leads to the ingress of microparticles on the matrix. Over time, a large dark spot arises from a small black dot. With the following actions you can avoid the black dots on the TV screen:
Proper care of household appliances is the key to their proper functioning. To avoid the appearance of black dots on the TV screen, streaks on the screen of a plasma and liquid crystal TV, follow these tips:
Taking care of your LCD or plasma TV in this way will save you from the appearance of dark spots on the screen. Try to avoid mechanical damage. Tell the children that technology is not a toy. And enjoy digital TV for years and years.
Light and colored spots and streaks are removed by other methods. The general repair methods only in case of software failure. Therefore, if screen defects appear, try to completely restart the equipment and reset the modem to factory settings.
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