This is a very easy solution...
U will need to enter safe mode in order to fix this problem..
1.At first enter safe mode in Windows 10...(It is very easy...just press the power button,then wait for the windows logo...when the logo comes,quickly press and hold the power button and wait for it to turn off...do this process 3 times and it should take u to automatic repair,just select advanced options and enter safe mode)..
2.Now log in to your account.
3.Right click on 'This Pc' and select properties...
4.Now click on Device Manager.
5.Click on Display Adapters.
6.Disable or Uninstall Nvidia Driver or AMD driver.
7.Now simply shut down and start it back again normally.
8.You will now be able to see everything and log in...
9.But still the graphics driver is not installed.Now simply open your browser and install the latest driver compatible for Windows 10.
That's it guys....If this tutorial helped you then plz hit the like button..and subscribe for more videos...