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So Windows 8, can use 2 different types of Login's
The first is a LOCAL login, which requires just a USERNAME, and a PASSWORD. No Internet required.
The secondis a LIVE login. Which requires your Microsoft Live Account Username (Microsoft email address), and the password. Also, the INTERNET is required to VERIFY.
So if you are NOT connected to the internet, and you are using a LIVE Login....it wont work, until you connect to the internet.
So, which Login are you using? First, or Second?
Did you make/create the restore disc for your computer? Most folks don't, or don't even know its the VERY first thing you SHOULD do when you get a computer.
So, passwords for windows7,8,10 are not EASY for a novice to break. You need to use a Separate bootable software program. So that you can READ the hard drive, so you can ERASE the password (does no good to try and read it, as it is encrypted) and upon starting windows again, the password ***** be blank, and need to be REDONE.
This is NOT an easy process.....and its also NOT capable for MYSELF to do tis FOR you over a remote session, because of the booting process of the secondary, stripped down software program you need to use.
Next step is to GET the software program called ULTIMATEBOOTCD, and download, then copy and make bootable a 4GB flash USB drive.
You can get the UltimateBootCD from the same name for their website. Link below