What if the computer cannot be upgraded to Win8.1?

Method 1:

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

2. Drivers with problems

3. Some uses are not compatible with wind8. 1 External Device

Solution:

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

2. It is recommended that you put all non-Lenovo pre- The installed external device is temporarily removed, such as a mouse, keyboard, printer, camera, and so on.

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.

Method 2:

1 The computer lacks the installation of critical updates. This is an important reason why the upgrade cannot be caused. This update is "KB 2871389", if this update is not installed. Can not upgrade the system, of course, you can also try to put other patches on, to avoid some errors after the win8.1 caused by the patch.

2 Upgrading to Win8.1 requires the installation file of Dirdectx 9 with WDDM driver, which needs us to update in time.

3 Accounts We must log in to our Microsoft account to log in to the system to upgrade.

4 Some software will also interfere with system upgrades, such as the interference of an anti-virus software, improper settings of a hardware driver, etc., we can try to uninstall the anti-virus software and put all the important patches can generally be upgraded. .

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