There are a number of users feedback after the upgrade Win10 can be normal access to the desktop, but the system will be in a period of time the blue screen or unlimited restart problems. In response, Microsoft Community Management Analysis
may be due to the graphics driver caused this problem , some users
can try to disable the independent video card in Safe mode (for dual graphics models) or uninstall the graphics driver to solve similar problems.
Blue screens are mostly caused by driver problems, and the Safe Mode boot environment only loads the necessary system files and drivers to eliminate the impact of third-party software or drivers. If there is no blue screen or unlimited restart in safe mode, then basically can be judged is the Third-party software or the impact of the driver, users can uninstall to troubleshoot.
Enter Safe mode to disable the video card or uninstall the video drive method:
Open Settings-Update and security-restore-click "Reboot now" in advanced startup
Click "Troubleshoot"
Click "Advanced Options"
Click "Start Settings"
Click "Reboot"
Press F4 to enter Safe mode
After entering safe mode, select Device Manager in the Start button right-click menu
Locate the video card, disable the video card or uninstall the video driver in the right-click menu
This is the WIN10 upgrade system after the blue screen or unlimited restart solution, if you still do not have the option to return to the previous version of Oh, I hope to be useful.