What should I do if the screen display of Lenovo mobile phone is abnormal)

Method 1

Is it because of wallpaper setting or software problems? You can switch to the screen to see if it is not applicable.
 
Method 2: restore factory settings

1. Enter the recovery mode to check whether the display is normal. The method for entering the recovery mode is shutdown first, and then press the power keys, volume +, and volume-at the same time, as shown in the figure below:
 
After the screen is highlighted, release the button and wait for the following picture to see if the screen is normal. If the screen is normal, it indicates that the screen is not bad, and most of the system problems occur.

Installation steps

Tip: back up the address book, information, and other materials before flashing. In addition to downloading and copying files, you must disconnect the USB and directly operate on your mobile phone.

Word-wrap: break-word; white-space: normal; orphans: 2; letter-spacing: normal; color: #222222; word-spacing: 0px; padding-top: 0px;-webkit-text-size-adjust: auto;-webkit-text-stroke-width: 0px "align =" left "> Most important: everyone must pay attention to the power of their mobile phones (more than 70% recommended). If the power is suddenly unavailable during the flash process, it will become bricks. Remember! REMEMBER !!!!!

Step 1: Download the deep computer Flash program

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Step 2: install it on the hard disk of a computer. The program is not large and can be installed anywhere;

Step 3:

1. Connect the data line to the mobile phone and insert the USB interface to the computer;

2. Go to mobile phone settings-application-development-check the USB debugging mode.

3. Start to automatically load the V880 driver after the deep flash, and click next after the download to complete the installation.

Step 4: Wait a moment after the driver is installed. Click "Flash tool" to go to the flash screen. There are many practical gadgets, such as data backup and restoration, and system backup and restoration, one-click root, etc. If you only want to root or click recovery, the utility can do it;

Make sure that you back up data before flashing!

If you like the ROM recommended on the home page, click "one-click flash" after Backup. If you have other ROM packages, click "select ROM" on the right of "recommended ROM ", select the downloaded ROM package and click "one-click flash"

Start to automatically download the selected ROM,

After the ROM is downloaded, it automatically starts to check the SD card capacity (ensure that the SD card has enough space, for A750, M is enough)

Next, we will automatically transfer the ROM to the SD card of the mobile phone,

Jump to the auto-brush page after transmission and start auto-brush,

At this time, the screen of the mobile phone will change and enter the flash mode,

Flash finished

 

 

5. Open common tools to recover data!

Official comments on Flash:

If your flash brush is improperly used, the product fault may occur and the warranty is affected. We recommend that you use OTA update, or use the factory recovery settings provided by your mobile phone and send them to Lenovo's service outlets for handling.