Hi, you can try one of the following ways to reset your lost Windows 7 password:
Way 1: Re-install your Windows 7 system
This is the last choice that you really don’t want to try. We list it here because it’s a certain fix for a lost HP password problem. A clean install of Windows will erase your hard drive and time consuming.
Way 2: Reset Password with Password Reset Disk
Windows 7 features a built-in function letting you to create a free password recovery disk. However, you should create it before you lost your password.
If you have locked your computer with a wrong password, you'll receive a message that says your user name or password is incorrect. When this message appears, click “OK”. Click “Reset password”.
Way 3: Have another Windows 7 Administrator Account to Reset Your password.
If you have multiple user accounts and at least one of those has administrator privilege. You can reset standard user account password.
Way 4: Use Windows Password Key to Crack Password on Windows 7.
It seems that every method above is not so perfect. Is there an ultimate way to reset lost Windows password for HP computer? Definitely yes. Windows Password Key is especially designed to help computer users reset forgotten password for administrator and other user accounts.
Step 1: Download and install Windows Password Key on any available computer.
Step 2: Insert a boot-able CD/DVD or a USB flash drive on the computer. In the pop-up windows, select “Reset Windows local account password”, choose your CD/DVD or USB flash drive, and click “Burn”.
Step 3: Start you PC and insert the newly created CD/DVD or USB flash dive on the PC.
Step 4: After Windows Password Key initializing, choose the Windows installation, select administrator account, enter a password, click “Reset” and “OK” in the pop-up Windows and click “Reboot”.
If you are confused about using Windows Password Key don't hesitate to visit the following website: http://www.lostwindowspassword.com