What Causes White Spots or Dots on TV Screen | Remove White Spots Manually
You are watching TV at home, and suddenly white dots appear on the screen. Your first reaction is perhaps to panic and immediately think the TV will be damaged. But don’t worry; this happens on some TVs sometimes. The reason is that the quality of your TV’s feedback lights starts to give out. As a result, you will see some white dots on your TV screen. Let’s learn what causes white spots or dots on TV screen.
This may be because you use your TV very frequently, which is even related to the quality of the TV parts. However, this article shows you how to fix this problem on your TV quickly and easily.
What Are White Spots on TV Screen?
The white dots that may appear on your TV are an anomaly when the pixel system malfunctions. The reason is straightforward since each Pixel comes with three related colours and helps form the images.
The problem starts when the Pixel’s colours (blue, red, and green) get stuck and do not change when the TV is turned on. Then, not understanding the command given by the TV, the white colour appears, and you could notice it immediately on the screen.
This is the effect of white dots, but we looked for a solution and brought it to you. Follow the series of steps below and solve the problem with your TV.
What Causes Spots or White Dots on the Screen?
Many televisions tend to have this little problem. Televisions today are a must-have item in the home. Customers like to relax and enjoy their time watching TV and relaxing with their favourite shows or movies without worrying about white spots on the TV screen – Samsung.
However, white spots on TV screens LG can be frightening to watch and cause users to miss some of the content on display. A simple solution is to substitute the TV or display with a new set, but this is expensive, and most users will not want to do it.
What to Do if White Spots Appear on the TV Screen?
Depending on the type of screen you have to do if these white spots appear on your TV, there are some steps by step. Each of these differs depending on the kind of screen of your TV, so let’s make a chart where you can see everything simpler:
|TV type||Why white spots appear||How can you fix it|
|Plasma||A defect of the TV matrix causes instability in the pixels responsible for giving the image on the TV—an incomplete picture due to malfunctioning of the pixel system.||Purchase new blocks and reinstall them for proper operation.|
|Kinescope||Failures in the TV frame that generate a malfunction of the picture tube, the image deteriorates and becomes blurred.||What you can do is to confirm if it is the TV picture tube. You cannot repair it, and you would then need to replace your TV.|
|LCD-LED||The screen is not responding well because it may have had pressure when the manufacturer installed the TV matrix—malfunctioning of the TV matrix is perhaps due to poor assembly.||The only thing you can do is order the replacement matrix and replace it immediately.|
How to Remove White Spots on TV Manually?
The most important thing is to follow this step to avoid complications with your TV. To do so, follow this sequence without losing sight of any detail:
The first thing is to turn off the TV to disassemble it.
Use a cloth to clean the entire screen. This process should be done from the center to the corners.
Take out all the screws of the back panel. Sometimes the solution is to loosen the screws just a bit because they are tight. Sometimes they make the spots appear when the TV heats up due to the use. Other people try to take off the Debris using toothpaste.
Remember not to loosen the screws so much so that there are no internal misalignments inside your TV.
Turn on the TV again and check if the dots no longer appear.
Reasons Why White Spots or Dots Appear on LCD TVs
These problems with your TV may be due to the unit heating up when you overuse it. It may also be due to the poor quality of the factory products from which the TV was assembled. This is important because today’s TVs are much lower quality than the ones of the past. In the past, a TV set lasted much longer to replace, and the replacement parts were of the highest quality. This type of problem is constantly occurring with LED TVs with side backlighting.
However, you should concentrate on the two main faults the TV gives when it shows those white spots on the screen. All these TVs have millions of pixels, and when the original colours are altered, the white spots appear.
This makes the Pixel not work very well, so you see white spots all over the TV screen. Also, the LCD chassis has a lens that diffuses and helps the led light form the images. On many occasions, these reflectors become loose and move out of the original place where they should be.
Therefore, it is easy to detect it when you see a large white spot on your TV. This may be because the reflector has come out of place, and you need to glue it back in business with special glue. Therefore, it is essential to follow each sequence of steps we suggest in this article.
How to Fix & Repair White Spots or Dots on TV Screen
This specific problem that may appear on your television is one of the most common when the display panel starts to fail. Not everyone immediately realizes this fault, only when they begin to see images with poor quality and even some white graphics. Then there are some simple ways to minimize or eliminate the problem.
One of the possible solutions would be to lower the level of the light you see in the background on the TV in the menu. If you have a smart TV, go to “expert settings,” and that’s it.
You can also go into the menu and turn off the function, where it automatically adjusts the brightness. Some comment that when they change the brightness, the intensity of the white spots starts to disappear.
So, this recommendation is to keep changing the brightness setting until those spots disappear.
Another solution also lies in TV programming.
This may be out of adjustment, and therefore your TV may have a malfunctioning pixel. To fix this, you can clean the screen and replace it. In other words, disassemble the screen, clean it, and then reinstall it. If you see that this alternative does not work, you should then be thinking about switching to a new TV.
Other people advise that the best solution, in this case, is to do a screen replacement.
However, this job can be costly or also somewhat cumbersome, so it would be up to you to decide what to do.
If you decide to replace your TV screen, the best thing to do is contact your city’s manufacturer. Call any workshop on the brand of your TV in your town to ask for advice on the matter. The reason is that when you are going to replace the screen, you have to ensure the quality and origin of the replacement.
Once you have changed your screen, you should corroborate that there are no more spots or white dots on your TV.
In other cases, the only thing needed is to replace the screen’s backlight, which is a slightly smaller spare part.
For that reason, it is essential that you consult with the brand’s technical support in your city and that they indicate to you what you should do in your specific case.
How to Test Your TV Screen for White Spots?
The easiest way to test your TV is by turning it on before taking it home. Sometimes, TVs can be faulty even when they leave the factory. So make sure there are no white spots on the screen. Also, be very careful when you are going to mobilize it. Any mistake can make the pixels work harder and give that undesirable white light to everyone.
One thing you can also do is to set the screen to black within the settings menu. A simple way to do this is to change the Source from your remote control so that the screen goes black. You can buy your TV and take it home if you don’t see any stains. The same applies if you change the TV screen because these tests allow you to see if there are white spots or not.
Most Common TV Types Where White Spots Can Appear
Now let’s look at the types of televisions where this white spot is most commonly seen. The important thing is to understand the causes of these white spots and what are the possible solutions that are within your reach.
|TV type||TV White spots are the main factor||How can you fix it|
|Plasma||Failures in the TV matrix.||Purchase replacement blocks and install them.|
|Kinescope||The TV picture tube is faulty.||Buy a new tube and replace it or change the television.|
|LCD-LED||The pressure on the screen causes the bulbs to pop out of place.||Adjust the bulb and put it back in place with some super glue.|
Self-replacement of the Matrix
To replace the TV matrix on your own, you must consider specific details. The first thing is not to put too much pressure on the TV screen because you can worsen the problem. The second thing would be to have the proper tools to disassemble the TV. You have to remove all the screws first and dismantle the screen.
Handle all the TV parts carefully as they are susceptible to excessive force. Another detail is to check the condition of the connectors and carefully connect or disconnect each of the parts. The process itself is simple, as we saw in the images above. However, the key to this process is to know which part you need to change for your TV to work correctly.
How to Fix & Repair White Spots or Dots on TV Screen
Remove the TV from the wall mount and place it face down on a firm table or shelf.
Take off the rear side panel by undoing all the screws step by step. Store them in a convenient place for later access.
Remove the speaker connections by pulling out the wires from both sides.
Remove the screws holding the source printed circuit boards (PCBs) on the bottom of the device. Also, disconnect the wires leading to the top PCB.
Remove the screws from the outer support of the LCD. You will then remove the housing that surrounds the display.
Use the suction cups to remove the display panel from the inner casing. This procedure requires great care and the help of an assistant, as the glass panel is very delicate.
Insert it in a safe and secure location and free the clamps that hold the bracket that holds the inner casing in place.
In front of you, you should see a bright white panel. It will have diffuser sheets that distribute the light evenly across the LCD and LED. Carefully remove these sheets and store them in a clean space.
- Now comes the central theme. Small rotating floodlights that fit over the LED backlights are visible.
- Insert safely and unlock the brackets that hold the bracket that holds the inner casing in place.
- Reverse the whole process in reverse order to remount the LCD. Carry out all of the steps individually, one by one, and take enough time for the whole process.
A lengthy and time-consuming operation that requires technical training
Make sure you take someone with you who is familiar with LCD panels if this is the first time you do so. It is better to have it fixed by a professional if you are still unsure of the process.
Removing the palm pressure mark from the LCD screen
- Have you ever seen a slight change on the screen in a particular area that is only noticeable once you look for it?
- Although the marks are often barely visible, you may want to get rid of them to avoid further inconvenience later on in the bulbs.
- Marks mainly occur during the packing/unpacking process of televisions.
- To prevent them, people should always hold screens from top to bottom where they wrap their hands around the panel.
- Keep fingers back and do not exert too much pressure on the screen. Apply the cupping glasses in the parking areas.
- This will remove them in most cases, but you will need to replace the screen if they remain.
- For the most part, these pressure marks are insignificant, so you can continue to use the device as is.
Learn More: How To Make Curved Projector Screen
Frequently Asked Questions
What are white dots on my TV screen?
White dots or spots on the screen may result from a faulty or damaged processor or overheating during the summer or colder temperatures during the winter. Otherwise, TVs can be affected by power surges or spikes, as electricity supplies vary throughout the year.
What causes white spots on the LCD screen?
Flashing white dots on the tv screen appear to result from faulty reflectors inside the LCD panel. This can cause 3 dots on the TV screen. Bright spots can result from stuck pixels on the screen. A dead pixel is usually black, while stuck pixels can be white or any other colour.
Do dead pixels go away?
The dead cell is permanently damaged. No, it doesn’t disappear with time.
Why do I have white dots on my TV screen?
The white dot on the flat screen of your LED TV is due to a fallen reflector. Above each LED in your TV’s LED array is the reflector. If it falls out of place, the light points directly to a single spot.
How do I fix a white spot on my LCD TV?
To fix this problem, the reflectors must be repositioned and repositioned using five-quick glue or equivalent. The number of Bright Spots corresponds to the number of fallen reflectors.
How do I fix black spots on my screen?
Stuck pixels are dead pixels that appear on the flat TV screen as stationary black spot or white or red bright spot issues. You can remove them by gently massaging the area around the stuck pixel with a soft cloth. This method allows the pixel to reorient itself and regain colour.
Can I fix the technical white spots on my Sony TV?
- To partially fix the white spots on Sony led TV screen, you should follow the steps below:
- Reduce the backlight level in the Picture Setup menu.
- In the image adjustments menu, set picture mode to standard.
- Activate the Light Sensor setting in the Picture Setup menu.
- Change the Power Save setting to Low or High in the Setup menu.
How much does it cost to fix a white spot on a TV?
The average cost for fixing a white spot on your screen is $79-$169 in the United States, and if that’s what you’re dealing with, then either call an expert or visit some local shops to get more information about this issue. There may be other solutions available, but contacting an electronics professional would also seem like the most logical step from here, so don’t hesitate!
Do dead pixels spread?
A dead pixel is a non-functional or stuck pixel, where the colour will not change when an image passes over it. Dead pixels usually don’t spread. They’re usually a minor fault in a display. If they do spread, you might need to hire a specialist or replace your screen.
Now that you know what causes white spots or dots on your TV screen, you are in a better position to judge the damage and ways to repair it. No one wants to be in this situation, but you should not panic if the LCD screen shows any problems.
Nowadays, the Internet has made us masters in every field thanks to the guides and tutorials available. Repairing LCD screen pressure marks is no longer something to be afraid of.
However, always make sure that all research has taken place before opening the screen. LCD screens are delicate devices, and you don’t want to damage them further while reducing the above problems. Hope you have learned what causes white spots or dots on a TV screen.