After the upgrade of Lenovo mobile phone P780 system, there is always a blurred screen?

We apologize for any inconvenience this may cause.

Please make a simple judgment based on the following circumstances:

a.Occasional occurrence:

This situation may be caused by too fast operation or too much system resources at that time, usually restarting the device can be improved, it is recommended that you optimize the system through software such as Le'an, or you can consider backing up the fuselage data for factory reset operation observation;

b.Frequent or persistent:

1.If the screen fault only exists in the fixed part of the display screen under all operations, it is more likely that the display screen or cable fault is more likely, and it is recommended that you send it to the repair site for detection in time;

2.If it appears under a specific function operation, it is recommended that you go to System Settings - Application - All, select the corresponding function program to clear the data, or uninstall and reinstall, if it appears under the system program, it is recommended that you back up the body data for factory reset operation observation;

3.It is still invalid, and it is recommended to send it to the Lenovo maintenance site for specific testing and treatment.

Lenovo authorized repair site inquiry.

The business hours of the maintenance site are usually from 9:00 to 18:00 from Monday to Sunday, except for holidays, and the stations will be slightly adjusted according to their own operations.

It may be that there is a problem with the ROM, looking for a warranty or flashing the machine yourself.

Dear Lenovo users, hello!

We apologize for the inconvenience caused by the use of your mobile phone.

According to the description, if the screen of the mobile phone is blurred, it is recommended that you try to confirm whether there are pages appearing and not caused by a software interface compatibility issue. Try restoring your phone's factory settings to see if it can be improved (pay attention to backing up important data on the body).

If any page or screen is blurred all the time, it is more likely that the internal wiring of the mobile phone is soldered, or the driver IC is damaged, or the IC peripheral circuit is damaged, or the display screen itself is faulty and damaged.

Since we can't see the specific situation of your phone remotely, we recommend that you take the time to go to your local Lenovo after-sales service center and let the engineer help detect and solve the problem. You can log in to the official website to check the address.

Lenovo sincerely serves you, I hope it can help you, and I wish you a happy life.

If your device does not respond when you click the power button and does not turn on, we recommend that you perform the following steps to troubleshoot the device:

1.It is recommended that you make a reboot attempt;

2.It is recommended that you use the standard charger to charge for about 30 minutes, and then press and hold the power button again.

If the problem still cannot be effectively solved, it is not ruled out that it is caused by the failure of physical buttons or related power management components, for your normal use in the future, we recommend that you take the time to go to a nearby Lenovo authorized repair station for specific testing and treatment.

For the problem of "mobile phone blurred screen":

2.If it is any application, or even the screen is blurred when it is turned on, it is recommended that you contact Lenovo mobile phone service station for slag search and maintenance.

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a.Occasional occurrence:

It is recommended to optimize the system through software such as Le's security, and you can also consider backing up the fuselage data for factory reset operation observation (PS: remember to back up the data before operation to avoid loss of personal data);

b.Frequent or persistent:

1.If the screen fault only exists in the fixed part of the display screen under all operations, it is more likely that the display screen or cable fault is more likely, and it is recommended to send it to the repair site for detection in time;

2.If it appears under a specific function operation, it is recommended to go to Settings - Application, select the corresponding function program to clear the data, or uninstall and reinstall, if it appears under the system program, it is recommended to back up the body data for factory reset operation observation (ps: remember to back up the data before operation to avoid personal data loss);

3.It is still invalid, and it is recommended to send it to the Lenovo maintenance site for specific testing and treatment.

Hello dear users:

We apologize for the inconvenience!

According to what you see in the figure, it should be to turn on the interactive screensaver function of the machine, when plugged in the charger, wait for about a minute, the screen will appear the blurred screen situation you mentioned, but the use of the hand can return to normal when you touch the screen, the situation is normal, not the blurred screen phenomenon, it will not affect the use, if you need to turn off the function, it is recommended that you go to the system settings - display - interactive screensaver - turn off, please try.

Learn more.

If you encounter problems during the subsequent use of the machine, it is recommended that you can also go to Lenovo to ask for it