Huawei mobile phone old black screen, and then it can t turn on, what should I do?

The phone has a black screen. Splash screen, blurred screen, white screen, recommended:

1.Click the back button to see if you can exit the software. If you can, exit and re-enter.

2.If you can't quit the software, it is recommended to restart the machine and try: press and hold the power button and the down volume button at the same time for more than 7 seconds to restart the device;

4.If it comes with system software, it is recommended to update the system version of the mobile phone to try: please go to Settings - About the phone (about the device) - Software update (system update) - Update (please back up the data in the device before upgrading).

Try. If the problem persists, it is recommended to bring the purchase invoice, repair card and mobile phone to the local mobile phone purchase office for repair or spend money nearby to repair it.

The phone suddenly has a black screen, and then it can't be turned on, you can try to charge it to take a look, or it may be that the original inside is broken, or take it to the after-sales service as soon as possible.

You can try to see if it can be turned on in a few minutes, if not, you should go to the after-sales center quickly.

Problems caused by low system versions can be solved by upgrading the system; If the cache data is too large or caused by viruses, you need to clean the cache and check for viruses. The black screen caused by the aging battery needs to be replaced with a new battery; For the black screen caused by poor contact of the internal motherboard components of the mobile phone, it is recommended to find a professional maintenance personnel to deal with it.

Answer: Hello dear, I have seen your question, and I will answer it for you immediately, please wait a moment Thank you 3. Repair through Huawei Phone Assistant or restore the system version of your phone through eRecovery.

If none of the above methods fail, bring the purchase receipt to a nearby Huawei Customer Service Center for troubleshooting.

Hope it helps

1. Press and hold the power button for more than 10 seconds to force restart the phone.

2. It may be caused by the incompatibility of third-party software with the system, and it is recommended to uninstall the recently installed third-party application.

3. It may be a hardware failure, and it is recommended to deal with after-sales testing.

Hello, it could be the following cases:

1.Multiple apps are running at the same time. Multiple apps running in the background can take up too much memory or other resources, and your phone can freeze or freeze when overloaded. Close or exit applications that you don't need to use or apps that consume a lot of power in a timely manner to free up system resources.

2.Please check if you have installed a certain software or clicked on an unknown link, and your phone freezes. You can keep pressing the power button + volume down button during the boot process to enter safe mode, uninstall the previously installed software or backup important data and restore it to factory settings.

3.Check whether system files have been deleted by mistake. When the system is running, it cannot find the corresponding file, which causes confusion and causes the phone to malfunction. Please back up your important data and try to do a factory reset.

4.Please check if you are using your phone for a long time or while charging. This can cause your phone to overheat and freeze, restart, or go black. Turn off background apps that you don't use often. Do not play with your phone while charging.

5.Make sure you're playing a big game or running some third-party apps. Some third-party apps are incompatible with the system and may cause your phone to freeze, restart, or freeze.

6.Please press and hold the power for more than 10s to force restart the phone to try to solve it.

7.Please check whether you have flashed your computer or used third-party flashing software. Unofficial systems can affect the stability of your phone. Please restore your phone to the official system.

8.Please make sure that you have a microSD card installed. Please re-insert the microSD card and check if the problem persists.

If the problem is present, it may be a bad contact, and if the problem is not there, it may be that the microSD itself is damaged or not compatible with the phone system. It is recommended to replace a high-quality microSD card.

If the problem persists after the above operations, and the phone freezes and the black screen is completely irregular, it may be a hardware failure. Please back up the data and bring the purchase invoice to the after-sales service outlet for testing.

Hello dear, according to your problem description, Huawei phone suddenly won't turn on, this situation suggests that you can take a try from a force restart. It is to press the tone is to press the volume up button and the power button to see if you can enter the engineering mode. Another scenario.

The sudden black screen may be due to the aging of the battery or the empty battery. If the screen suddenly goes black, it may be caused by the aging of the battery or the emptying of the battery, and you only need to replace the battery. There is also a situation where the CPU is damaged, resulting in a black screen.

In this case, it can only be sent for repair.

It is recommended that the landlord can charge the mobile phone and then try to turn it on normally.

The Huawei mobile phone suddenly has a black screen and can't turn on, and if you can't solve it, you should still find an after-sales maintenance to overhaul it.

There may be software conflicts or hardware damages.

What to do if your Huawei phone suddenly has a black screen and can't turn on: go to a professional repair point to take a look.

1. It may be that the Huawei phone cannot be turned on due to insufficient power, try to use the original charger of the Huawei phone to charge the phone and then turn it on.

2. It may be that there is a bug in the Huawei mobile phone system that causes the phone to become bricked, and try to restore the phone to the original system version by using the wire brush method.

3. It may be that the screen or motherboard of the Huawei mobile phone is burned out and the mobile phone is damaged, in this case, you need to bring the mobile phone to the after-sales repair center for testing and replacing the corresponding hardware.

4. The above reasons and solutions are applicable to most Huawei mobile phone models.

Click on the I want to detect feature.

Select the Click on the I want to detect feature.

Tap on the screen function.

Select the Tap Screen feature.

Tap the black screen can't turn on function.

Choose to click on the black screen and not turn on function, and enter to detect.

It's a pleasure to serve you! There are the following points: 1. Check whether the direction of the mobile phone card and memory card (SD card) is correct, sometimes the installation is not normal, and it will automatically shut down.

2. If you check whether the mobile phone has power (check the charging interface by plugging it in), the power is less than 2% and will cause it to automatically shut down. 3. Automatic shutdown caused by software problems, confirm whether the phone has been shut down suddenly and abnormally due to the recent installation of incompatible applications. It is recommended to perform a factory reset and upgrade to the latest software version.

Please back up key data in advance before factory reset). 4. Press and hold the power button for more than 10 seconds to force restart the phone, if the phone can enter the standby interface normally, the phone will be repaired through the normal upgrade and recovery operation mode. If you still can't start the boot and can't restart, you can repair the phone by forcing the upgrade and recovery operation.