Two solutions to system upgrade failure in win8.1

Two solutions to system upgrade failure in win8.1
At present, more and more people are upgrading the win8.1 system. Some netizens recently reported that the computer cannot be upgraded to win8.1, probably because the anti-virus software in the computer is blocked or the update and installation are missing. Is there any way to solve the win8.1 system upgrade failure? Here are two solutions for you!



Method 1:

1. Anti-Virus Software (it is recommended to disable or uninstall it first ).

2. Problematic driver.

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

Solution:

1. Check whether your model can be upgraded to Win8.1.

2. We recommend that you temporarily remove all external devices that are not pre-installed with Lenovo, such as the mouse, keyboard, printer, and camera.

3. We recommend that you back up important personal files and use the one-click recovery function to restore the computer to the factory status. For operation methods, see.

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

5. Install all Windows update updates, and then try to update Win8.1 In the App Store.

Method 2:

1. The computer lacks the installation of key updates. This is an important reason for the upgrade. This update is "KB 2871389". If this update is not installed, the system cannot be upgraded. Of course, you can also try to install other patches to avoid any errors after win8.1.



2. Upgrading to Win8.1 is the installation file of Dirdectx 9 with WDDM driver. We need to update it in time.

3. You must log on to your Microsoft account to log on to the system to upgrade your account.

4. Some software may also interfere with system upgrades, such as anti-virus software interference and improper configuration of a hardware driver, we can try to uninstall anti-virus software and install all the important patches.

The above is the solution to the failure of upgrading the win8.1 system. If you need it, please refer to and try it. I hope it will help you.