What is the fault of the black screen in the lower left corner of the Xiaomi Mi 1 TV and no sound?

1、Upgrade:Xiaomi TV has a stable version and an honorary beta version,Similar to Xiaomi box,The stable version is upgraded every month,There are new features and new experiences every month。 The Honor Closed Beta Edition is upgraded weekly.

It can be upgraded through the direct network, and the method is to click on the upgrade in the settings - system upgrade.

2. Sanqing: The method is to first press and hold the "Power Off" button, select "Power Off", and then touch the trackpad to slide left for 3 seconds, do not leave the trackpad, and then slide to the right for 3 seconds (here it should be noted that the hand should be attached to the trackpad), and the second step is a coherent action to be completed before the first "mi" logo appears.

3. After entering the recovery mode, you can only use the trackpad to operate, swipe left to move the cursor up, swipe right to move the cursor down, tap to select, and execute all three clear options once.

This situation may be caused by a problem with the screen driver of the TV,You can contact the official after-sales service for on-site repair。

Hello, this situation is that there is a problem with the sound card of the TV.

You can restart the TV a bit.

Then go and open it and it will be solved.

There is no sound if the black screen in the lower left corner of this TV of Xiaomi Mi 1,Then in this case, it may be that the liquid crystal of your TV uh LCD screen is leaking。

First of all, check whether the components in the power input circuit are normal, such as: power supply fuse, varistor, and anti-interference circuit components, etc.;

If the above check is normal, then measure whether the voltage of each group at the output end of the main switching power supply circuit is normal;

If the above measurement is normal, it means that the switching power supply circuit is not faulty, otherwise it is a problem of the switching power supply circuit;

The high pressure cap of the TV caused by high air humidity leaked, and the connecting steel structure caused by oxidation was broken.

Solution: Find a technician to operate, and replace a high-voltage cap. Because more than 20,000 volts of high-voltage electricity is depository, it is quite dangerous, and laymen cannot replace it casually.

This one is obvious, it should be the TV is broken. It should have something to do with both the screen and the interior of the TV. If it is under warranty, it is best to contact the after-sales service.

This can be caused by moisture and water ingress in the motherboard circuitry, or by collision.

See if the system is malfunctioning, or if you turn off your Xiaomi phone again and start it up. If you really can't do it, go to a local repair shop to repair it, and the cost should not be so high.

If there is no sound on the black screen in the lower right corner of the TV under the Xiaomi one,You can also restart it,See if it has any effect,If there is still no light sound,You can restore,Or the manufacturer's settings,Then contact Xiaomi customer service。

Xiaomi Mi 1 TV is called black screen, what is the fault of no sound? This should be your software,Which software has a necrotic situation,You should go to a professional TV repair place to take a look。

It's because it's been a long time and needs to be repaired.

If there is a fault in the TV,I think you can contact the after-sales service,They will repair it for you,Because your hand TV should be within the scope of the guarantee。

If there is no sound in the lower left corner of this TV of Xiaomi Mi 1, you will check this motherboard and find after-sales personnel to help you repair it.

There may be some glitches on the screen on your phone.

There is no sound on the black screen in the lower left corner of the Xiaomi Mi 1 TV,It's caused by the display failure inside。

The black screen in the lower left corner of Xiaomi TV is not sound,This must be that there is no input data,Or there are some problems with the line,This needs to be confirmed by maintenance。

Hello, this situation means that the internal sound card is broken and can be updated.

It may be that the LCD screen has been damaged, so it can't be displayed, and you need to find Xiaomi's after-sales service to come over for inspection and repair.

If there is no sound on the black screen in the upper left corner of Xiaomi TV,It should be the fault of your screen。

Summary. There may be several reasons for the situation where the Xiaomi TV has a black screen but there is sound:Backlight failure:

When the backlight of the Xiaomi Mi TV fails, the screen becomes very dark or completely black, but the sound can still be heard. Signal input issues: Check if the signal source connected to the TV is working properly.

If there is a problem with the TV's input source, the TV screen will also go black. Problems with your TV settings: Sometimes it may be a problem with your TV settings that causes your screen to go black, so you can try adjusting the settings or restoring the settings to factory settings.

System Failure: If there is a problem with the TV system, it may cause a black screen but there is sound. Try restarting your TV or updating your system software.

It's a black screen but there is sound,There may be several reasons for the black screen but sound of Xiaomi TV:Backlight failure:When the backlight of Xiaomi TV fails,The screen will become very dark or completely black,But Shengzhou Peiyin can still be heard。

Signal Input Question Book Answer: Check if the signal source connected to the TV is working properly. If there is a problem with the TV's input source, the TV screen will also go black.

Problems with your TV settings: Sometimes it may be a problem with your TV settings that causes your screen to go black, so you can try adjusting the settings or restoring the settings to factory settings. System Failure:

If there is a problem with the TV system, it may result in a black screen but there is sound. Try restarting your TV or updating your system software.

It's turned off.,And then turn it on.,It's a black screen.,There's a normal sound in it.,It's been restarted.,It's still not working.,There's no way to go back to factory settings.。

If you still see a black screen but sound after restarting your TV, you may want to try the following solutions: Check if your TV's backlight is on: Look at your Zi-only TV screen in a low-light environment to see if you can see some faint images.

If so, it may be that there is a problem with the backlight, and you need to contact the after-sales service for repair. Try pressing the "Input" button on the remote control to switch to a different input source and see if the screen appears. If the screen can be displayed, it is possible that there is a pre-collapse problem with the input source you were using.

Try connecting your TV to another device, such as a TV box or game console, to see if it works. If you can, the TV itself should be normal, and the problem may be with the device you were using before.

Xiaomi TV has a black screen, but you can still hear the sound, most of which is because there is a problem with the picture tube or a short circuit, or it may be that there is a problem with the insurance of the TV. In addition, if the TV is old, some parts inside it are magnetized, or the LCD panel is damaged.

How to solve the problem of a black screen but sound on the TV:

1. CRT filament problem.

Turn on the TV, use a voltage detector to test it to see if there is voltage in the filament foot of the picture tube, and observe whether the filament is shining, if the filament is not lit in the case of voltage, then it may be that the filament foot is not open, and you can test it with resistance. If it is an open circuit, then the problem is in the filament, and the picture tube needs to be replaced.

2. Circuit problems.

A failure in the TV circuit will also lead to a black screen, which is manifested by the fact that the indicator light is not lit and the panel buttons are not responding. If you want to discharge the problem of the TV circuit, you must first check the voltage, and then consider the circuit when the voltage is not a problem, if there is a problem with the circuit, it is best to find a professional maintenance master to deal with it.

3. Insurance issues.

If there is a problem with the TV insurance, it will lead to a black screen, and if the problem appears on the insurance, then the only solution is to replace the insurance. This is also a relatively common reason, and generally speaking, it is not a big problem.

Mi TV. It is loved by young people, so that the black screen appears when the cover is hidden.

But how to solve the problem if there is a voice? The screen of many Xiaomi TVs can be turned off,First of all, you should check whether the screen is turned on; A black screen can be an issue with the power strip; At the moment of shutdown, a bright light flashed on the screen, saying that there was no problem with the obvious image tube, if it was not for this phenomenon, the picture tube was generally faulty.

The solutions to the black screen of the Xiaomi TV screen with sound are:

1. If the screen power is not turned on, turning on the screen power or restarting the TV can solve the situation;

2、The sound can still be heard after the TV is blacked out and the rice line is unplugged,And there is no prompt of [please connect the rice line].

That is, if the power strip fails, you can contact after-sales or maintenance personnel for maintenance;

3. The picture tube is the main hardware used by the TV to receive images, check if there is a problem with the picture tube, there is naturally no image, the common situation is that the high-voltage cap or the picture tube itself is damaged, and the high-voltage cap or picture tube can only be replaced in the morning shed, if you can't replace it, you need to contact the after-sales service or special maintenance personnel of the hall;

If there is a problem with Xiaomi TV, it is best to ask a professional maintenance personnel to overhaul,The operating principle of the TV and its structure and circuit diagram。

Only professionals can figure it out.

The Xiaomi TV suddenly goes black and there is a sound, which may be due to the following situations:1When the TV is in standby mode, press the power button of the TV or the power button of the remote control to see if it can turn on normally.

2.The backlight of the TV is malfunctioning, and the TV will have a black screen, but the sound is still there. You can turn the brightness of your TV to the highest and see if you can see the image.

If you can't see the image, it may be a backlight fault and you need to contact after-sales maintenance. 3.It may be that the cables connected to the TV and other devices are loose or not in good contact, causing the picture to not be displayed properly.

Check that the cable between the TV and other devices is plugged in tightly. 4.It may be that the hardware of the TV is faulty and you need to contact after-sales for repair.

It is recommended that you try to press the power button of the TV or the power button of the remote control to see if it can turn on normally, if not, you can check whether the cable is plugged in tightly. If the above methods cannot solve the problem, you need to contact the after-sales maintenance to call the suspect.

Summary. There are several possible causes: Signal source issues:

Check that the signal source (such as TV set-top box, game console, etc.) is well connected, and try to plug it back in. Problems with TV settings: Check your TV's settings to see if there are any misuses that cause the screen to turn off.

Try pressing the power button on your TV or using the remote control's on/off button. TV hardware problems: If the above two methods do not work, it may be caused by a hardware failure of the TV.

It is recommended to contact Xiaomi after-sales service for repairs. It should be noted that the presence of sound but no picture does not necessarily mean that the screen is black, and may be caused by other reasons. If none of the above methods can solve the problem, it is recommended to contact professional maintenance personnel for maintenance.

There may be several possible causes: Signal source problem: Check whether the signal source (such as TV set-top box, game console, etc.) is well connected, and try to plug it in and unplug it again.

TV setting problems: Check the settings of the TV to see if there is any misoperation that causes the screen to turn off. Try pressing the power button on your TV or using the remote control's on/off button.

TV hardware problems: If the above two methods do not work, it may be caused by a hardware failure of the TV. It is recommended to contact Xiaomi after-sales service for repairs.

It should be noted that the situation of the stove attendant, with sound but no picture, does not necessarily mean that it is a black screen, it may be caused by other reasons. If none of the above methods can solve the problem, it is recommended to contact professional maintenance personnel for maintenance.

The TV's backlight is malfunctioning. If the backlight shows a question, the image on the screen will become very dark and almost impossible to see. However, the sound still works.

In this case, you can try adjusting your TV's brightness settings, and if the problem persists, you'll need to repair or replace the backlight. HDMI cable or ** input failure. Check whether the HDMI cable or input is loose or damaged, and if so, replug or replace the HDMI cable or input cable.

The TV's image processor is malfunctioning. The image processor of a TV is the core component that controls the image on the screen. If the image processor fails, the screen will go black, but the sound will still work.

In this case, you will need to contact the TV manufacturer or a repairer to repair or replace the image processor. Other faults. Sometimes, the reason why your TV screen is black but there is sound can be complex and may require more in-depth troubleshooting.

If you are unable to determine the specific cause of the problem, it is recommended to contact the TV manufacturer or professional repairer for diagnosis and repair.

Mi TV has a black screen but there is a sound to fix it:

1、It may be that there is poor contact with the signal connection cable,You can turn on the brightness and contrast of the TV,Pay attention to the condition of the screen,Turn off the TV and wait for a while。 If that doesn't work, you'll need to reconnect.

2. The data cable of the display screen is in contact with poor difficulty, and the screen cable needs to be reconnected or welded.

3、If you have tried the above by yourself,Still can't solve it,Then you need to call**Contact customer service,It is best to ask a professional TV maintenance master to come to repair it,Don't operate it casually at home。

Performance characteristics of Xiaomi TV:

1. High color accuracy. On the importance of color accuracy, everyone should know that the picture presented by a black and white TV is naturally much worse than that of a color TV, and the two are not at the same level at all.

Ordinary color TVs and high-color inverter TVs are naturally two different concepts. The TV with high color accuracy, in the ** anime, the portrayal and presentation of the animated characters, the effect is more immersive. The TV with low color accuracy presents a relatively stiff animation picture, which is the essential difference.

Ultra-clear image quality. If the effect that can be presented by 2K** is 60 points, then 4K** is 80 points, and the gap can be reflected when everyone usually watches movies.

Xiaomi TV comes with4KThe ultra-clear picture quality,When the author's parents were in**TV,That kind of good picture movement feels very good,Parents can see clearly,The mood is naturally comfortable。

3. Massive educational resources. I believe that many friends are also worried that the children in the family will abandon their studies because of the intuitive code and the lack of educational significance. Sometimes when I take my children to visit my parents, I like to turn on the TV**. <>