Unable to update to Win8.1 reason

Sorry, we were unable to update to Windows 8.1. We have restored this computer to the previous version of Windows 0xc1900101-0x40017”

Error message: "Cannot update to Win8.1

Possible cause:

1. Anti-virus software (recommended to close or uninstall first)

2. Drivers with problems

3. Some external devices that are not compatible with wind8.1

:

1. First, please confirm whether your model supports upgrading to Win8.1

2. It is recommended that you temporarily remove all non-Lenovo pre-installed external devices, such as mouse and keyboard. , printers, cameras, and more.

3. It is recommended that you back up important personal files and use the one-click recovery function to restore the computer to the factory state. Please refer to the operation method.

4. Uninstall software and drivers that may affect updates, such as anti-virus software, power management, graphics drivers, and more.

5. Install all Windows update update patches before attempting to update Win8.1 in the app store.