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If the screen color of the mobile phone is abnormal, such as black screen, splash screen, flower screen, white screen, red screen, etc., it is recommended to:
1.It is recommended to restart the phone to 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;
3.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).
If the problem persists, it is recommended to bring the purchase invoice, warranty card and mobile phone to the local mobile phone purchase office for repair or to a nearby mobile phone repair shop for repair.
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The Huawei phone suddenly turned black, it should be the time lock screen set on your side, or his reboot crashed, it is recommended that you factory reset it here, try again, it should be no problem.
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The reason why Huawei phone suddenly goes black.
1. Automatic shutdown due to no power, 2. The memory of the mobile phone is full, and 3. The screen of the setting is off.
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If the Huawei phone suddenly turns black, it may be that the mobile phone is broken, and then the mobile phone is repaired and sent to the forest. Alas!
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The screen of the Huawei phone suddenly goes black, you can turn it off and wait for a few minutes before turning it on, if it doesn't work, you can only take it for repair.
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If you suddenly find that the screen turns black during use, it is likely that the phone is out of battery or the screen is damaged, you can choose to charge the phone and then choose to restart.
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If the screen of the phone suddenly goes black, you can turn it off and on again.
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The content of the mobile phone suddenly turned black, and the process of turning the spike back to its original color is as follows:
1. Step 1: First, open the settings on your Huawei phone.
2. Step 2: Click on the display and brightness options in the setting guess spike removal interface.
3. Third family or step: Then you can find and click on the dark mode in the interface.
4. Step 4: Next, click the switch button on the right side.
5. Step 5: Finally, you can set your phone back.
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When the phone screen is black, press and hold the power button for more than 10 seconds (EMUI models need to press and hold the volume down button and the power button at the same time for more than 10 seconds) to force restart the phone, and follow the following methods to troubleshoot:
1.Check if there is an abnormality when using the phone while charging.
This condition can cause the phone to overheat, which can cause an abnormality. It is recommended that you try to avoid playing with your phone while charging.
2.Confirm that incompatible applications are running.
1) Multiple apps running in the background will occupy too much memory or other resources, and the phone may be overloaded and may cause abnormalities. It is recommended that you try to avoid running multiple applications at the same time.
2) Some third-party applications are not compatible with the system, which may cause the phone to freeze, the system to freeze and cause a black screen or restart, it is recommended that you enter the latest version of the app market ** and update the phone system to the latest version.
If the system keeps reporting errors and cannot boot properly, you can enter safe mode and uninstall the previously installed software.
3.Check whether you have installed a system other than Huawei's official system.
If the unofficial system affects the stability of your phone and causes the phone to malfunction, we recommend that you bring your proof of purchase to the Huawei Customer Service Center to restore or upgrade the system.
4.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. Try restoring the system version of your phone via Huawei Phone Assistant or eRecovery.
5.Confirm that microSD is installed
Please check if the problem persists after reinserting the microSD card. If the problem is not there, it may be a poor contact, and if the problem persists, it may be that the microSD itself is damaged or incompatible with the phone system. It is recommended to replace a high-quality microSD card.
If the problem persists, please bring your proof of purchase to the Huawei Customer Service Center for testing.
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Take Huawei P30 EMUI10 as an example, the background of Huawei mobile phone turns black, it may be that the user has turned on the dark mode of the mobile phone, and if you want to turn it back, you only need to turn off the dark mode of the mobile phone, just turn on the display and brightness options on the system settings page of the mobile phone, and click the switch behind the dark mode option to turn on.
If the user does not turn on the dark mode, it may be that the user has set the phone wallpaper or theme to black, and only need to change the phone wallpaper or change the phone theme to solve the problem.
Take Huawei P30 EMUI10 as an example, if you want to set the phone Do Not Disturb mode, just turn on the phone, find the settings option from the phone desktop and open it, then tap the sound option, and then tap Do Not Disturb mode after opening, and then you can make relevant settings.
If you want to turn on the power saving mode of the mobile phone, you only need to open the mobile phone settings, enter the system settings page, open the battery option, and then choose to turn on the power saving mode.
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Causes and solutions for the black screen of the phone:
1. Memory reasons.
When the phone stores too many things, it will greatly reduce the running speed of the phone, and when the memory is occupied by more than 80%, the phone may freeze or go black. However, this problem gradually disappeared with the expansion of mobile phone memory, but there are still some mobile phones with relatively small memory.
Solution: You can delete some unimportant data, if you accidentally delete important data, you can use the mobile phone data recovery wizard to recover, you can find it directly in the mobile browser.
2. Application software conflicts.
If the memory of the mobile phone itself is not large, and many applications are running at the same time, there may be conflicts, resulting in a black screen or stuck mobile phone cannot be operated.
Solution: You can try to uninstall some software first, and then clear the redundant memory in time, and then you can save important data, and then restore factory settings, and then ** the necessary application software.
3. System software problems.
Workaround: You can delete the recently installed software and try to restore it.
4. Contact problems.
When many people use mobile phones, they often don't pay attention to details, so it's normal to have all kinds of bumps, but the injury to the shell of the mobile phone is a trivial matter, once it affects the internal hardware, it will cause poor contact, such as loose screen cables or short circuits, etc., which will also lead to a black screen.
Solution: To solve this problem, you can only rely on good habits.
Note: If the problem still cannot be solved, then call after-sales customer service in time.
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Cause: This is caused by turning on the phone's color reversal function by mistake.
How to solve the Iwachang potato:
1. Click "Settings" to enter the mobile phone settings interface. Coarse.
2. Swipe up in Settings, find "Accessibility" and click to enter.
3. After entering the accessibility page, click "Accessibility" to enter the "Accessibility" page.
4. After entering, click the blue button on the right side of the color reversal, as shown in the yellow box in the figure below.
5. The recoiling cover is out of the setting interface, and the phone returns to normal color.
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Summary. Hello, there is a black place on the screen of Huawei mobile phone, this is the reason why the inner screen is damaged, and the reason for this situation is that your mobile phone has been crushed or dropped and your inner screen is damaged.
Hello, there is a black place on the screen of Huawei mobile phone, this is the reason why the inner screen is damaged, and the reason for this situation is that your hand orange smile machine has been squeezed or dropped up, resulting in damage to your round open inner screen.
In this case, you can only replace the inner screen, the inner screen is damaged, and there are two kinds of atmosphere, one is the virtual connection of the cable, this situation is that there will be a cluster of stripes on your screen, then this situation can be solved by repairing the cable, but the situation of black blocks is another situation, the inner screen is damaged, and the inner screen can only be replaced.
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If the phone screen turns black and white, we recommend that you use the following methods to troubleshoot:
How to turn it off: Go to Settings > Healthy Use of Mobile Phone > Sleep Time Downtime and check whether the switch is turned on. After turning on this setting, when the phone reaches the set sleep time and downtime, the screen will turn black and white.
2. If the above troubleshooting does not solve the problem, try to restore all the settings of your phone.
This operation mainly restores network settings, lock screen passwords, desktop layout, etc., and if the phone supports fingerprint or face, it will also restore fingerprint and face information, and will not delete other types of data or files. Find devices, users and accounts, device managers, app settings, and more are also not restored.
Go to Settings > System & Update > Reset, tap Reset All Settings, and follow the on-screen prompts to restore.
3. If the problem persists, it is recommended to go to the service center for testing and treatment.
Find the Preset App - My HUAWEI App Service app, open it, go to the service page, and touch Quick Service > Repair at the store to find a nearby service center. It is recommended to back up the data in your mobile phone in advance before going to the service center (third-party applications such as QQ and WeChat are backed up separately), contact the service center in advance, and determine the time to avoid delaying your time
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1. It is recommended to press and hold the power button for more than 10 seconds to force restart the phone to try to solve the problem, and the force restart will not clear the data of the phone.
3. If the mobile phone screen is suddenly black, you can check whether the appearance of the mobile phone is due to the film problem, most mobile phones come with a distance sensor, and the mobile phone film will affect the mobile phone screen on or off.
Question: What should I do if my phone hits a black screen.
Answer: When the mobile phone hits **, it becomes a black screen because there is a setting sensor in the system settings of the mobile phone, when your ears are attached to the mobile phone screen, in order to save power, the screen automatically goes black. If you don't want the screen to go black, you can turn off the sensor in the settings, as follows:
1. Find the "Settings" button on the phone screen and tap the button.
2. In the "Settings" page, find "System Apps" and click on the function.
3. In the "System Application" page, scroll down to find the "**" function and click on it.
4. After that, in the page of "**", find "Call Status" and click on it.
5. Enter the "Call Status" page, find "Sensor", and slide the blue button behind it to turn off the sensor function.
6. When you hit ** in this way, the phone screen will not go black.
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