Upgraded from Windows 8 to 10 through Windows Update. Activation watermark appeared. I told it to activate and the computer blue screened. Operating system no longer found.
What do I do.
July 18th, 2015 6:22pm

Go to advanced boot and roll back to the previous OS.  Once stable we can help you find out the real problem.
Free Windows Admin Tool Kit Click here and download it now
July 19th, 2015 1:26am

Hi illidari1,

Restart the machine and keep pressing "Shift" to get into Windows Recovery mode. Then choose "Troubleshoot","Advanced","Startup Repair" or "System Restore".
If it is not available to acccess the Windows Recovery mode by restarting the machine. We could choose to start from an installation media.
To upgrade to Windows 10 from Windows 8.1, we could refer to the following link:
How to upgrade to Windows 10 from within Windows 8.1 or Windows 7 using Windows Update
http://answers.microsoft.com/en-us/insider/wiki/insider_wintp-insider_install/how-to-upgrade-to-windows-10-from-within-windows/21b5cd8a-d96d-4cda-a9aa-7d936a9a0b88

If the issue persists, we could try to un-plug all the external devices to have a check. Please ensure the machine has got the latest updates before we try to upgrade it.
Best regards

July 20th, 2015 3:16am

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