How to recover Huawei nova7 when it becomes black and white?

If your phone turns into a black and white screen and the color display is not normal, you can troubleshoot the problem by performing the following steps:

1.Check if sleep time for healthy phone use is turned on.

Downtime function: Settings > Healthy use of mobile phones > Sleep time Downtime, after turning on this setting, when the phone reaches the set sleep time, the screen will turn black and white.

2.Check to see if the eBook is open.

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.

Suddenly the screen goes black or will it occasionally appear?,Have you ever fallen?,If you haven't fallen, it's black.,That's caused by a problem with the software.,If it's handsome.,It depends on whether the screen and cable are damaged.,It is recommended that you take it to Huawei's official *** to let the maintenance master take a look,I think these are to be handed over to professionals for maintenance。

Huawei nova7 screen turns black and white solution:

1. First, tap Settings on your phone;

2. Then, click on System & Update;

3. Then, click on Developer Options;

4. After that, click on the simulated color space;

5. Finally, set it to turn the black and white;

Huawei mobile phone appears black and white screen,Try hard boot the phone first,Just press and hold the power button for a few seconds to see if you can turn it on,If you can't turn it on, you can use the computer to flash the computer to try,Or if it doesn't work, you can only repair the motherboard。

I didn't turn off the grayed out screen switch.

Close the question. No, it won't change back to color even if it's turned off.

Thank you for asking a good question.

Your picture is in color for us here, you can try to find out if there is a problem with the display chip, if not, just assemble it.

Tool Material: Take Huawei nova7 mobile phone as an example.

1. First of all, on the main interface of Huaqifu nova7 mobile phone, click the "Settings" icon. Quietly carry.

2. Then in the "Settings" interface of your Huawei nova7 phone, tap the "Display & Brightness" option.

3. After that, in the "Display & Brightness" interface of your Huawei nova7 phone, turn off the "Dark Mode" switch.

4. Finally, in the current interface of the Huawei nova7 phone, the Huawei nova7 phone shows the recovery color.

If your phone's screen turns off-white, here's how you can do it:

1.If the screen turns gray, you may be opening an eBook.

mode, when enabled, the screen will be grayed out for reading and text-like scenes, if you don't need to, you can turn off this function. How to turn off: Go to Settings, search and tap E-book Mode, turn off E-Book Mode.

2.If the screen is grayed out, you may have set a sleep time for your phone to use for a healthy year.

When the time limit is reached, the screen will turn gray and the app icons on the desktop will be dimmed. It is recommended that you turn off this feature. Closure Method:

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

If the problem persists, it may be the screen itself, so please back up important data (third-party apps such as QQ and WeChat need to be backed up separately) and bring your purchase voucher to the Huawei Customer Service Center for testing.

Huawei Customer Service Center.

Make an appointment for service. Repair spare parts** inquiry.

In the list of developer options, find and click Simulate Color Space, and adjust Panchromatopia to Off to restore color display.

What should I do if the phone screen becomes black and white: 1. The color mode of the mobile phone is switched to vertical Open the phone's "Settings" - find "Display and Brightness" - set the "Dark Mode" option to off, and you can switch to color. 2. If the use time is too long, the equipment will overheat, and the failure will occur If the long fiber is ruined, the hand gear will slip.

Turn off the e-book mode to turn the black and white screen of the nova7 SE back to the normal screen, go to the drop-down notification bar or turn it off in the display settings.

Huawei's router scrambler S1 becomes a black screen,It's a black and white screen,It may be because the color device in the Danzao file mobile phone has failed,You can go to the after-sales service for the second adjustment,Or repair a rock seepage。

In Huawei nova7 phones, turn off the [Full Color Blindness] button so that the analog color space is in the [Off] state. This will return to normal], you can refer to the following steps: 1. Click the [Settings] icon on the desktop of the phone.

2. After that, click [System & Update]. 3. Enter the System and Update interface, and then click [Developer Options].

It is recommended that you go to the official after-sales service.

The failure of electronics is difficult to tell.

If your phone turns into a black and white screen 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.

The reason why the screen of Huawei phones turns black and white is that the color blindness mode is turned on, and you can choose to turn it off; 1.In the settings window of your phone, click System & Update to jump; 2.At this time, a new page pops up, and you need to select the developer option to enter; 3.

Click on the simulated color space and follow the icon to confirm that it will return to color.

Questions. Still won't work.

nona8 black and white screen.

Find Settings on your phone's desktop, tap to enter the Settings Center, and turn on Display and Brightness. 2.Click to turn on the e-book mode, after the opening is successful, the mobile phone page can enter the e-book mode, the mobile phone screen will change to black and white scene, uncheck to turn on the e-book mode, you can exit the mode, and the screen will return to normal color.

The reason why the screen of Huawei phones turns black and white is that the color blindness mode is turned on, and you can choose to turn it off;

1. Directly in the settings window of your phone, click System and Update to jump.

2. At this time, a new page will pop up, and you need to select the developer option to enter.

3. Next, if it's okay, continue to browse the simulated color space.

4. In this way, after the color is determined back according to the diagram, the requirements can be realized.