Lenovo s820 screen does not work,Lenovo s820 HOME button failure, what should I do。。。

Hello. We apologize for the inconvenience.

a.Some areas of the touchscreen are malfunctioning:

1.It is recommended that you wipe and clean the screen first, and avoid stains such as sweat on your hands to eliminate external interference.

2.Please confirm whether it appears in the interface of individual third-party software, if so, it may be caused by software abnormality or compatibility, and it is recommended that you uninstall and reinstall or replace other types of software.

3.If the above operation is invalid, the failure of the touch screen itself is more likely, it is recommended that you send it to the repair site in time for processing, and you can also back up the body data and try to restore the factory settings operation before sending it for repair to see if it can be improved.

b.All areas of the touchscreen are out of order:

1.It is recommended that you wipe and clean the screen first, and avoid stains such as sweat on your hands to eliminate external interference.

2.If you have used the film on your mobile phone, it is recommended that you remove the film and try it, which is not ruled out due to the quality of the film;

3.If the problem still cannot be effectively solved, it may be caused by the failure of the underlying driver of the system or the touch screen itself.

Official after-sales site inquiry.

If you need other help, you are welcome to contact us or visit Lenovo at any time

Consult to find out.

Hello, it is recommended that you go to the nearest Lenovo mobile phone customer service center, and the service station engineer will help you detect and solve it; Provide you with a link to Lenovo mobile phone service outlets.

We apologize for any inconvenience this may cause.

For the problem of the failure of the touch button at the bottom of your phone screen, we recommend that you try to solve it by simply troubleshooting the following situations and methods:

a. Intermittent occurrence: It may be that the current device is running insufficient resources or the system file is abnormal, resulting in the inability to respond to the operation in time. Here it is recommended that you optimize the system, and close the background system programs regularly, if it cannot be improved, please back up the body data and try to restore the factory settings;

b. High frequency appears or has been completely unresponsive: the touch button under the screen belongs to the touch screen part, such as high frequency or has completely failed, it is more likely to be caused by the abnormal underlying drive of the system or the failure of the touch screen itself, here it is recommended that you send the repair site in time to ensure the normal use of the follow-up.

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.

If the hardware is broken, you can try to open the virtual key.

Hello dear users:

We apologize for the inconvenience.

1.It is recommended that you wipe and clean the screen first, and avoid stains such as sweat on your hands to eliminate external interference.

2.Please confirm whether it appears in the interface of individual third-party software, if so, it may be caused by software abnormality or compatibility, and it is recommended that you uninstall and reinstall or replace other types of software.

3.If the above operations do not work, please back up the fuselage data and try to restore the factory settings.

If the problem still cannot be effectively solved, for your normal use in the future, it is recommended that you take the time to go to a nearby Lenovo authorized repair station for specific testing and treatment.

Inquire about authorized maintenance sites on the official website.