If no one come up an answer for you, I think reinstall win10 is what I would do. I did some reading but I didn't see anything about bypass administer login.
I've got original windows 10 on my laptop (Lenovo z51 70), I've dual booted it with ubuntu. Recently I've got an issue with my graphics driver, So I updated it through AMD's website. To be more precise I downloaded "AMD Radeon Software Crimson". Once I've installed it, I started getting this error message
SYSTEM_THREAD_EXCEPTION_NOT_HANDLED (AODDriver.sys)
http://s32.postimg.org/r9i4cofmt/image.jpg
I understand, this "AODDriver.sys" file which has got installed from the driver is creating the problem.
So after lots of restarts and trying other options, I finally tried to restore windows through "System Image Backup(in External Harddrive) which I'd created to overcome this sorts of issuees. But when I click "System Image Recovery" option in "Advanced Options" after restarting the windows,
http://s31.postimg.org/5txsvozsr/image.jpg
I'm getting this error message
You need to sign in as an administrator to continue but there aren't any administrator accounts
http://s31.postimg.org/tq1uq856j/image.jpg
I just do not understand what to do, Please help...

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