will be the factory pre-installed Win7, Win8, Win8.1 of the machine in the WIN10 upgrade during the free upgrade into a genuine Win10, and then back or restore the factory system, now has a free upgrade period, using a mirror reinstall WIN10 can not be activated.
Reason Analysis:
The WIN10 installation image is used to preset key, and the official version obtained through upgrade WIN10 uses digital license activation, so Windows cannot be activated properly.
Solution:
You can download the Microsoft original without key System mirroring reinstall WIN10, after the installation is completed online activation can be entered into the system.
How to determine a problem with a mirrored mirror:
In the process of installing WIN10, if there is a requirement to enter the key step, then the mirror does not take the key, at this time skip this step, after the installation is completed login original activation Win10 use of Microsoft account, networking can be activated.
If the installation process does not appear to need to enter a key, it is said that the mirror with the key, using the mirror after installation Win10 will not be activated
If you have installed the WIN10 with a mirror with key, you do not want to reinstall, we recommend that you contact Microsoft processing.
