You are able to watch all your favorite movies, cartoons, and series in excellent quality with the help of an LCD TV and you can enjoy good sound as well. It is possible, however, for LCD monitor owners to observe dark black spots on the TV screen. Check out why dark black spots appear on TV and what are the best solutions to fix them.
Is there a reason for Dark Black Spots on TV Screen?
Is there a reason why there are Dark Black Spots on TV Screen? Dark black spots on LCD TV can be caused by a wide variety of factors, from debris to superficial dirt, to dead pixels to stuck pixels, and anything in between. A debris or superficial dirt problem is the easiest to repair out of all these problems. The hardest pixels to fix are dead ones, whereas stuck pixels are more difficult to fix.
Dark black spots on TV are caused by the manifestation of a malfunction.
Dark black spots can sometimes appear on the LCD TV screen, a problem that is very common with popular brands such as Samsung, Sony, LG, and many others. You can locate them in one corner, in the center, or in several locations simultaneously.
When switching channels on the TV, dark black spots do not disappear when the channel is changed. In their place, you can see glare even with your TV off. Blackouts can also be colored or white in addition to black or dark gray. Color errors or other problems are most likely to be indicated by this.
There are various causes why you may see Dark Back Spots on TV Screens.
- There are quite a few manufacturing defects, but they are quite rare and they manifest themselves quite quickly. The display matrix was damaged due to a violation of assembly technology. Such a malfunction should be fixed by the warranty service center for free. In order to avoid buying a bad TV, you need to inspect the equipment carefully.
- A common reason is children playing with balls in the apartment and mechanical damage. In the affected area, broken pixels appear first, then spread across the screen after a strong blow.
- Poor transportation or improper care can cause moisture to enter under the protective glass. A heavily dampened cloth or water must not be used to wipe the monitor.
- Yellow spots may appear due to the delamination of the matrix and the presence of a heat source near the device.
- It is only the masters of the SC (service center) who can remove a large dark black spot that arises as a result of dust getting under the case and incorrect household appliance maintenance.
It may be necessary to repair equipment depending on the source and type of stain.
Is There a Way to Eliminate Incorrect TV Settings to Get Rid of Dark Black Spots?
It’s worth excluding software failures that can happen with digital broadcasting before disassembling an LCD TV or taking it to a repair shop. It is pertinent to note that there is a common testing scheme for Samsung, Sony, and LG. Based on the model of the TV, there might be subtle nuances to consider.
To eliminate software problems when using a digital broadcast set-top box, follow these steps.
- Don’t forget to save all the information from the tuner using a USB stick.
- From the console, use the console to access the menu.
- You will need to locate the “Settings” or “Factory data reset” section.
- Enter the pin code 0000, 1111, 1234 if necessary after restoring the parameters to factory settings.
- The STB should be restarted.
- Re-run the automatic channel search from settings.
There’s a good chance the black spots on your LCD TV screen are disappearing because of software failure. In this situation, the device does not need to be disassembled or repaired. An expensive modern TV should be repaired by a professional if the malfunction persists.
Your TV’s screen protector glass surface needs to be cleaned.
The adhesion of dirt and dust to the screen of the TV is one of the reasons behind the appearance of dark black spots on the screen of the TV. There is no need to disassemble or reboot the equipment in such a situation. The screen surface can be cleaned by following the steps below.
- It is imperative to ensure that the equipment is disconnected from the network.
- You should use a special cleaner for LCD monitors.
- Microfiber cloths are ideal for cleaning surfaces.
- A tiny bit of product should be applied.
- Don’t press too hard when washing the screen.
You should do this care twice a week, and it will save your TV and make it last longer.
How Do I Get Rid of Dark Black Stains On TV Caused by Moisture Penetration?
The matrix should be rinsed if there is a defect caused by water ingress. This requires the use of a special detergent, and running water is not recommended. There will be a large number of invisible impurities in the matrix, including abrasive particles.
The TV matrix should be cleaned in a well-ventilated area with good ventilation in order to remove dark black spots. Use soft cotton gloves when cleaning and turn on a humidifier if possible.
Please note: When the die breaks, it will need to be replaced by a skilled technician.
If you have experience working with household television appliances, you may perform the replacement yourself. In order to repair the device, follow these instructions.
- It is imperative to ensure that your work area is equipped with all the necessary screwdrivers and other tools.
- Disconnect the TV and loosen all bolts with a screwdriver to remove the housing.
- Make sure you disconnect the wires and cables as carefully as possible. Some elements may also need to be replaced if they are damaged.
- Replace the die by unscrewing the bolts holding it and swapping it with a new one.
- Check the TV’s operation by reassembling it in reverse order and switching it on.
You do not need to disassemble the TV if it is still under warranty. You will receive repairs at the service center for free or at a substantial discount when your warranty card expires after any intervention by you.
What is the greatest effective approach to removing dust spots on TV?
There is a high likelihood that microparticles will enter the matrix of a matrix that has been rarely cleaned of dirt and dust. A small black dot gradually grows into a large dark black spot over a period of time. You can prevent manifestations on your TV by taking the following actions.
- Tap your finger very gently on a small black dot on the screen.
- To vacuum the screen, position yourself 2-5 cm away from it and vacuum from there.
- Wipe the inside of the screen and the matrix for dust (be very careful when you do this).
In the event that the dark black spots persist after all manipulations, the TV should be taken to a workshop for a full diagnosis and repair.
What are the conditions under which the device must be carried to the Master?
In the case of moisture or dust-induced dark black spots, you can easily resolve this issue on your own. On the other hand, streaks are often caused by mechanical stress or high temperatures, resulting in matrix delamination or loop failure. The equipment needs to be transported to the workshop in that case.
During the repair of your TV, the service center specialist will follow the following steps.
- Write out a ticket acknowledging that the equipment has been handed over.
- To pinpoint the exact cause of the failure, diagnostics will be performed, usually using a PC.
- Repairs or installs parts that need to be replaced.
- As part of his services, he will write out a new warranty card and check the equipment’s performance.
It usually takes one to five working days to repair and remove dark black spots from a TV screen. Parts are available in the service according to the wizard’s workload. A repair’s cost is determined by the degree of damage and the cost of spare parts.
What is the best way to avoid dark black spots on TV?
Taking good care of household appliances is one of the keys to their long-term performance. Follow these recommendations to prevent dark spots from appearing on a plasma or liquid crystal TV screen.
- Keep household appliances at least 20 cm away from heat sources, such as radiator batteries, heaters, and fireplaces.
- On the floor, a temperature drop will result when the TV is placed on a stand instead of a stand.
- Use a dry microfiber cloth to wipe off dust, or use a broom without abrasive particles to clean surfaces.
- Although TVs can run continuously without overheating, this affects their performance, color rendition, and image playback speed.
If you take care of your LCD or plasma TV in this way, you will avoid dark black spots on the screen. You can watch digital TV for years on end if you avoid mechanical damage and explain to your children that technology isn’t a toy.
There are other methods for removing light, colored spots and streaks. A general repair method is only used in cases where there is a software failure. Try restarting the equipment and resetting the router to factory settings if any screen defects appear.