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The mobile phone screen should be an important component of the mobile phone, after all, it can largely determine the user's actual use effect and operation experience. However, in daily life, due to many reasons, such as the user's wrong operation mode or some unexpected circumstances, the failure of the mobile phone screen may bring us a lot of unnecessary trouble. Then consider these possible scenarios.
Shadows, vertical lines, lines, etc. are all forms of expression of the screen, and the reasons and solutions for the screen are as follows:1If the cable is broken, the cable connecting the screen and the motherboard is burned or loosened, so it's good to change the cable.
2.The screen is broken, and the LCD screen is broken, this kind of no way, the most troublesome, to replace the entire screen assembly, the cost is very high. 3.
If the motherboard is broken, it is also to replace the entire motherboard, but this probability is relatively small, but it is not ruled out, the way is to replace the motherboard, and the motherboard is generally cheaper than the screen. Users can get brand after-sales service to repair, do not find non-brand repairers.
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The screen appears half a black shadow, this situation is generally the inner screen of the mobile phone is faulty, it is recommended to replace the original factory inner screen, so that the mobile phone can be displayed normally, because this problem can not be solved simply by repairing other parts.
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Half of the black shadow of the electrical appliance can be repaired, you can see if it is a problem with the motherboard, and find a professional after-sales maintenance to check.
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How to fix the black spot on the display, if there is a "dead spot" on the liquid crystal display (LCD) (always bright or always dark), you may be able to fix it yourself.
Changing the screen line, generally 500-700, if sent for repair.
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If the screen is half black, the screen is broken, and if it is broken, you can only replace it with a new screen.
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This still depends on the specific situation, it is best to go to the mobile phone store and let the staff take a look.
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It may be that your screen is damaged, you can go to the mobile phone store to fix it.
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The reasons for the black shadow on the mobile phone screen and the solutions are as follows:
If the cable fails, and the cable connecting the screen and the motherboard is burned or loose, it is necessary to replace the cable several times; If the LCD screen fails, you need to go to the mobile phone repair center to replace the LCD screen; If the motherboard fails, you need to go to the mobile phone repair center to replace the entire mobile phone motherboard; If the mobile phone is damaged by water, you need to disassemble the back cover of the mobile phone, blow the inside of the mobile phone with a hair dryer, or seal the mobile phone, put it in a rice tank and place it for a few hours, and then wipe it with a soft rag.
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Causes and solutions for LCD TVs to have shadows:
1. Check whether there is a problem with the signal source input of the TV that causes a black shadow, such as whether there is a problem with the connection line between the TV and cable TV, the top box or the *** machine, etc., and generally re-connect the correct number of matches to solve the problem;
2. Secondly, you can check whether there is a problem with the current program source of the TV that causes a black shadow, and you can switch to other program channels or change the video disc for the **Bixiao test;
3. If there is still a black shadow on the screen after the problem of the signal source and program source is investigated, it is generally judged to be caused by the hardware failure of the TV, such as screen failure, cable problem, internal circuit failure, motherboard and its parts failure, etc., it is recommended that the user contact the after-sales service of the TV for maintenance in time.
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If your screen is damaged causing black shadows, it is due to a malfunction or damage inside the LCD screen. For this case, here are some fixes for reference:1
Replace the LCD screen: If your screen is seriously damaged, resulting in black and dark leads, you had better contact the manufacturer or professional maintenance personnel to replace the LCD screen for better repair results. 2.
Screen magnet to solve the black shadow: If your screen has a color cast, black shadow or other abnormalities, you can adjust the position of the liquid crystal molecules inside the LCD screen by attaching the magnet to the screen and applying the magnetic force to the LCD screen to solve the black shadow problem. However, this method needs to be very cautious, improper use may lead to further damage to the LCD screen.
All of the above methods involve the repair or replacement of the screen, so it is recommended that you seek professional help to avoid secondary damage caused by improper repair. At the same time, during daily use, it is recommended that you pay attention to protecting the screen and avoid collisions or falling codes to reduce the possibility of screen damage. We hope you find these suggestions and answers helpful, and if you have any other questions that need to be answered, please feel free to ask them again and I will be happy to continue to help you.
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