Analysis on the reason of Windows8.1 update failure

Possible causes:

1. Antivirus software (recommended to close or uninstall first)

2. Problem-driven

3. Some external devices that use incompatible wind8.1

　　Workaround:

1. First please confirm whether your model supports upgrades to Win8.1.

2. It is recommended that you temporarily remove all non-Lenovo pre-installed external devices, such as mouse, keyboard, printer, camera and so on.

3. It is recommended that you back up important personal files, use a key restore function to restore the computer to the factory state, the operation method please refer.

4. Uninstall software and drivers that may affect updates, such as antivirus software, power management, graphics drivers, and so on.

5. Install all Windows Update Update patches, and then try to update Win8.1 in the application store.

Through the above analysis, we can know that there are many reasons for the failure of Windows8.1 update, virus, drive, incompatibility is one of the reasons, so the user only find the reason for the failure of update can better solve the problem can not be updated.