Windows 10: My computer won't let me sign in

I recently tried to upgrade my computer from windows 8.1 to windows 10 and it is not letting me sign in when I try to it say just says just a moment then says signing out black screens that brings me back to the welcome screen I was trying to see if I could get into a temporary profile to see if I could fix it but I have been able to any help would be appreciated.

:)

 

Skype won´t wok in 17063

Skype Won´t work... games won´t work...

Making backup and re-format...

Maybe I Install a Windows 7 again, At least, all of my games run smoothly ...Sadness!!

*Banghead

 

my computer won`t wake up after goes to sleep

these computer won`t wake up after goes to sleep ?

 

my n97 won t charge or connect

when i put a usb on my n97 it won t charge when i put on the computer it won t say nokia pc suite or else it not reading the usb cannot work on my phone plz hel