lets try hacking into your computer via recovery boot + command line
1. boot up into recovery mode:
there are few ways to do this, depending on the operating system you're using. trying these:
> when you see the windows logo on as the computer is turning on, press F8 or Shift + F8
> when you're at the login screen, look for the on-screen power button and and when you see the options (sleep, shutdown, restart...), hold down Shift and click restart
2. you'll find some options to recover your computer. any chance you backup an image or a recovery point? if so, you can just select that option to easily return a point before the password was assigned.
3. if you didn't have any backups, no worries. Let's use the command prompt (located in advance options of the recovery mode) to create you a new account. and this time with admin privileges and a password :)
- enter command prompt screen within the recovery mode
- type the following and replace the unbolded words with your username and password, respectively
net localgroup Administrators UserName Password /add
(example: net localgroup Administrators Tinker myexisanidiot /add)
----You might get an error message if admin privileges if the computer has previously installed admin restrictions. in which case, if we're lucky, the setting to disable/change password is on by default so try this link:
Once you're in your new account, open up the account settings/account managment control panel window. and change the password to your original account.
if this doesn't work, try both or the latter of these two methods:
1. go back to the recovery mode command prompt window and add a standard user (non-admin)
net user UserName Password /add
2. in your new account, go to Microsoft dreamspark website where they provide free windows Operating systems for students and install a bootable OS image that you can use to reinstall the operating system.
hope this helps, good luck!