Windows 10 gives a blank screen after instal

I just installed windows 10 free upgrade and my monitors are blank. I've restarted twice unplugged once. It gives the black screen after the windows page loads, the dots spin in a circle then it goes black. Thinking this was the worst idea I have ever come up with, is there anything I can do before I convert back to windows 7 Professional?
artismobileAsked:
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Emmanuel AdebayoGlobal Windows Infrastructure Engineer - ConsultantCommented:
Do you have install graphic card and the onboard graphic card?

If you are experiencing this issue, follow these steps to sign into Windows:

At the black screen, press the Ctrl key once on an attached physical keyboard. (You won’t see any visible change, but pressing the Ctrl key will place the cursor in the password box that you’re currently not able to see.)
Now type the password of the user that just signed out and press Enter.This will sign you back into Windows and the desktop will appear.
If you failed to sign in because you mistyped the password, press Enter once more. Then retype the password and press Enter.

http://microsoft-news.com/microsoft-releases-update-kb3055415-for-windows-10-that-fixes-black-screen-issue-after-login/
artismobileAuthor Commented:
I corrected this from my error. I have 3 monitors. The main monitor was powered off. The 2nd monitor showed the windows start up screen for a moment before switching to the main screen. Windows was running but I couldn't see it because the monitor was off.
Thanks for your help anyway

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Emmanuel AdebayoGlobal Windows Infrastructure Engineer - ConsultantCommented:
I objected to this. I provided the clue as well. i.e Do you have install graphic card and the onboard graphic card?

I believe this then remind the artismobile that he was using more than one monitors.
artismobileAuthor Commented:
User error
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