The phone screen color has changed to black and white, what should I do if the phone screen turns bl

How to adjust the black and white of the mobile phone screen.

What exactly is the time of operation, when the color of the mobile phone screen changes to black and white? It is recommended that you can try the following methods to solve the problem first:

1. Restart the phone to try to recover;

2. If the operation application appears, you can go to Settings - More Settings - Applications - All to find the corresponding software and click to enter its information interface to clear the data cache;

4. Restore all the settings of the phone to try to restore, go to Settings - More Settings - Restore factory settings - Restore all settings (this operation will not erase the data in the phone);

5. If the mobile phone system is not the latest, try to upgrade the mobile phone to the latest version, you can enter the settings - system upgrade - check the update immediately, according to the prompts**upgrade package, click to verify and install, the mobile phone will restart and automatically enter the upgrade mode.

6. If it still can't be solved, you can try to clear the abnormal data by "Settings--More Settings--Factory Reset--Clear All Data". Note: This item will lose all the data stored by the user on the mobile phone, including ** book, short message, third-party application software, related account information, and the data stored on the USB flash drive of the SD card mobile phone will not be lost, please back up the corresponding important data before operation.

If you are using a Huawei phone and the phone screen becomes black and white, you can troubleshoot it by performing the following steps:

1 Check to see if Dark Mode or Dark Power Saver** is turned on

When you turn on Dark Mode or Dark Battery Saver**, the screen background changes to a dark tone. It is recommended that you turn it off. Closure Method:

Method 2: Go to "Settings > Battery > Dark Power Saver**", if the switch is on, turn off the switch.

If you don't see Dark Mode or Dark Battery Saver**, your phone doesn't support this feature, so please check other scenarios.

2 Check whether the "Sleep Time" and "Downtime" of healthy use of the phone are enabled

If you set the "Sleep Time" or "Downtime" for healthy use of your phone, and turn on the switch that grays out the screen, the screen will turn gray when the time limit is reached. It is recommended that you turn off this function (some models do not support the screen gray switch during downtime). Closure Method:

Go to "Settings > Healthy use of mobile phone > Sleep time" and "Downtime", and turn off the screen gray switch.

3 Check if eBook Mode is turned on

4 Check that the "Color Correction" switch is turned on.

"Color correction" is to help friends with weak eyesight to identify the screen color more conveniently, and people with normal vision may feel that the screen color display is abnormal after turning it on. You can turn this feature off if you don't need it. Closure Method:

5 Check that the "Color Inversion" feature is turned on.

Color Inversion" to change the color of the text and background displayed on the screen. When turned on, the phone will turn into white on a black background. You can turn this feature off if you don't need it. Closure Method:

6 Check that Mock Color Space is turned on

7 If none of the above troubleshooting resolves, you can try resetting all settings on your phone.

If the problem persists, please back up your important data in advance (third-party communication applications need to be backed up separately), and bring the purchase voucher to the customer service center for testing and processing.

1. Set up the interface of the mobile phone, and find the "gear-like" icon in the operation interface. Second, the operation interface of the option mobile phone has become black and white, which is related to the "display" setting of the mobile phone, after entering the settings interface of the mobile phone, the drop-down menu finds the "display and theme" option and then clicks the "display and theme" option to enter the details page. 3. Change the screen color and enter the "Display & Theme" option, and find the "Screen Effect Settings" option from the drop-down menu.

Click on the option, we can see the standard mode, eye protection mode, black and white mode, and custom mode, these four options When the user selects"Black and white mode",The operation interface of the mobile phone will become black and white,If you want to recover,Just choose standard mode、Eye protection mode or custom mode,The screen color of the mobile phone、The color of the operation interface will return to normal,Personal recommendation to choose"Eye protection mode",It can alleviate eye fatigue to a certain extent。

If you are using a Huawei phone and the phone screen becomes black and white, and the color display is not normal, you can troubleshoot the problem by performing the following steps:

1.Check if the sleep time for healthy use of the phone is turned on Downtime function: Settings > Healthy use of the phone > Sleep time Downtime, when this setting is turned on, when the phone reaches the set sleep time, the screen will turn black and white.

2.Check if the eBook mode is turned on:

3.Check if the color correction switch is turned on:

4.Check if the color inversion feature is turned on:

5.Check to see if Dark Mode or Dark Power Saver** is turned on.

Go to Settings > Battery > Dark Power Saver**If the switch is on, turn off the switch. (If it is not found, the mobile phone does not support this function, check other scenarios).

6.Go to Developer Options and check if the Mock Color Space switch is turned on, you can do the following:

7.If none of the above troubleshooting resolves, you can try restoring all settings. If the problem persists after all settings are restored, we recommend that you back up important data in advance (QQ and WeChat need to be backed up separately) and bring your purchase voucher to the Huawei Customer Service Center for testing.

If you are using a vivo phone, you can handle it as follows:

1. Multiple applications running in the background will occupy too much memory or other resources, and abnormalities may occur when overloaded, it is recommended to use the recall control center and click --one-click acceleration to clean up the background;

2. Please restart the device and observe whether it will be restored.

4. Please upgrade the system to the latest version to view;

5. Go to Settings - System Management - Backup & Reset - Restore all settings, and follow the on-screen prompts.

Note: Restoring all settings will not delete any ** files, only all settings.

6. If the above methods cannot be solved, please back up important data in advance, and bring the machine and purchase voucher to vivo customer service center for testing.

Customer service center address: Enter the vivo official website vivo**app--my-service outlets or vivo official website web version--bottom of the bottom--service support--service network inquiry--select the province and city to query the customer service center address. It is recommended to contact ** in advance before going to avoid empty running, plan the itinerary reasonably, and travel safely.

If you are using a Huawei phone and your phone screen turns off-white, you can do it by doing it here:

1.If the screen is grayed out, you may have set the sleep time and downtime for healthy use of the phone, and turned on the switch to grayed out the screen, after the time limit is reached, the screen will turn gray and some app icons on the desktop will be dimmed. It is recommended that you turn off this feature.

2.If the screen turns gray, you may turn on the e-book mode, and after turning it on, the screen will turn gray for reading and text-based scenarios, if you don't need it, you can turn off this function. How to turn off: Go to Settings, search and tap E-book Mode, turn off E-Book Mode.

3.If the troubleshooting doesn't fix your issue, you can try resetting all settings on your phone.

Reminder: This operation mainly restores network settings, lock screen passwords, desktop layouts, etc., if the phone supports fingerprints or faces, it will also restore fingerprints 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.

If the problem persists, it may be a problem with the screen itself, please back up important data in advance (third-party applications such as QQ and WeChat need to be backed up separately), and bring the purchase voucher to the customer service center for testing and processing.

Make an appointment for service. Boarding service.

Repair spare parts** inquiry.

If you are using a Huawei phone and the phone screen becomes black and white, and the color display is not normal, you can troubleshoot it by following the following methods: 1Check if the sleep time for healthy use of your phone is turned on Downtime:

The phone screen color turns black and white, you can follow the steps below to recover; 1.Click the "gear" icon to enter the "Settings" interface of the phone; 2.Click on the "Display & Brightness" option, and find "Dark Mode" in the pop-up interface;

I hope mine can help you, if you are satisfied with my service, please give a thumbs up, I wish you all the best!

Questions. How to restore the screen in black and white.

It's that the depth mode is turned on, and it's good to turn it off.

Questions. From where to close.

The phone screen color turns black and white, you can follow the steps below to recover; 1.Click the "gear" icon to enter the "Settings" interface of the phone; 2.Click on the "Display & Brightness" option, and find "Dark Mode" in the pop-up interface;

If you are using a Huawei phone and the phone screen becomes black and white, and the color display is not normal, you can troubleshoot the problem by performing the following steps:

1.Check if the sleep time for healthy use of mobile phone is turned on Downtime function: Settings > Healthy use of mobile phone > Sleep time Downtime, after turning on this setting, when the mobile phone reaches the set sleep time, the screen will turn black and white.

2.Check if the eBook mode is turned on:

3.Check if the color correction switch is turned on:

4.Check if the color inversion feature is turned on:

5.Check to see if Dark Mode or Dark Power Saver** is turned on.

Go to Settings > Battery > Dark Power Saver**If the switch is on, turn off the switch. (If it is not found, the mobile phone does not support this function, check other scenarios).

6.Go to Developer Options and check if the Mock Color Space switch is turned on, you can do the following:

7.If none of the above troubleshooting resolves, you can try restoring all settings. If the problem persists after all settings are restored, we recommend that you back up important data in advance (QQ and WeChat need to be backed up separately) and bring your purchase voucher to the Huawei Customer Service Center for testing.

The sudden black-and-white situation can be caused by the following reasons:1Color setting issues:

In some phones, there may be users who set the screen color to black and white. If your phone's screen suddenly turns black and white, you can change from the "Normal" or "Standard" mode in the settings to the color mode to restore the screen to a color display state. 2.

Screen malfunction: The phone's screen may malfunction, causing the display to turn black and white. For example, there may be a damaged liquid crystal (LCD) screen, a broken lamp, a broken driver, and a broken driver.

In this case, it is recommended that you go to a professional repair shop for inspection and repair. 3.Software Issues:

Some apps may cause the screen to turn black and white. For example, a similar problem may occur when opening a camera or game app. The posture workaround is to restart the device or uninstall the recently installed app.

4.Oxidation problems: Oxidation problems may occur on the motherboard of the mobile phone, resulting in abnormal touch screens, blurred screens, crashes, black and white displays, and other problems.

At this time, you can try to use an alcohol cotton or cleaning cloth to gently wipe the metal contact points on the screen and the motherboard, but it is not recommended to disassemble and repair the machine yourself. In conclusion, if your phone has a black and white screen issue, first check the screen color settings and recently installed or upgraded software. If none of these problems are present, it may be a hardware problem, please go to a professional repair shop for inspection and repair.