WINDOWS7/8 upgrade WIN10 card in 32% cause upgrade failure solution

With the official version of win two months, many users have to upgrade to the WIN10 system, directly from the Win7, WIN8 system upgrades to the WIN10 system of users, but some users are reflected in the upgrade win10 in the process of the card at 32%, the installation failed, What is the cause of the problem? What should we do about it? The following small series for everyone to bring the solution!

WINDOWS7/8 upgrade WIN10 card in 32% cause upgrade failure solution

1, before starting the installation program, unplug any connected USB devices, including external monitors and so on.

2, the current equipment to detect whether all hardware support Win10 system, through the hardware manufacturer of the official website to confirm; You also need to upgrade your existing hardware drivers through the Windows Update program.

3, run the Windows Update Troubleshooter (intermediate allows the program to use Administrator rights), Detect and repair any Windows Update errors.

4. Uninstall all unwanted drivers by using the following command, as follows:

① enter CMD in the search box, select the first result, and right-click to select "Run as Administrator", as shown below:

② executes the following command (after copying and pasting, press ENTER, as shown below):

rundll32.exe Pnpclean.dll,rundll_pnpclean/drivers/maxclean

5, run the Disk Cleanup program, and select cleaning system files (as shown below);

6, restart the device.

7, as a result of some cases, network card drivers will also produce compatibility problems, it is recommended that the relevant users to use the WIN10 official version of the ISO image installation method to upgrade, at this time does not recommend the user to use the default push upgrade mode. After a successful download of the mirror, it is a good idea to uninstall the wireless network card driver (if any) and temporarily use the wired Internet connection during the installation.

8, after the upgrade is turned on, do not choose "Download and install the update", but should choose "Not Now" (as shown above), to avoid any automatic installation driver may cause compatibility problems.

In this way we can solve the problem that the WIN7/8 upgrade WIN10 system Card failed to install at 32%.