This solution will work if you have forgotten your Windows password. It will not work if you have forgotten your boot password or hard drive password etc.
Read on if you want to use a USB flash drive. Scroll down if you would rather burn a CD/DVD.
USB Flash Drive Method
You
need to download a Windows password cracker, put it on a flash drive, and
boot it outside of the Windows environment. This solution will show you
how to do that.
1. Download the Ophcrack Windows password cracker from here. For Windows 7, click on the ophcrack Vista LiveCD. Ophcrack is one of the best free Windows
password recovery tools available. It's fast and easy even for a first
time Windows password cracker. Save file to Desktop.
2. Download Xboot 1.0.0.0 Beta 6 here. Save file to Desktop. Unzip file and extract to Desktop.
3.
Plug a USB flash drive into your PC and format it with a FAT32 file
system. This can be done by opening "My Computer" and right clicking on the
USB flash drive and selecting Format. Select FAT32 and click OK.
(Note: this will erase all data on your flash drive.)
4. Open Xboot.exe. Select the Ophcrack ISO file you downloaded and drag it onto the Xboot screen.
5. Click on "Create USB" found in the bottom right hand corner of the Xboot window.
6. Select your USB drive and click OK. Wait for your USB flash drive to be created.
7.
Restart computer and press F10 or appropriate function key for your
computer to enter the temporary boot menu. It may be F12 or F9 etc.
Look at the first screen that appears when you turn on the computer and
you will see which key to press. You also could enter the BIOS and
change the boot order if you would prefer that method.
8. Select USB Flash Drive from the boot menu.
9. The Ophcrack LiveCD will now boot. Hit enter to select the Graphic Mode option when it appears.
10.
Ophcrack will automatically begin cracking your passwords. The longer
and more complicated the password is the longer it will take to crack.
99% of passwords are crackable. Any password over 14 characters cannot
be cracked. This program found my 8 character password which contains
letters and numbers in less than 10 minutes.
11. Write down your password when it's cracked. Remove the USB drive and restart computer.
Good luck and thanks for using FixYa.
Burn a CD/DVD Method
You
need to download a Windows password cracker, burn it to a CD/DVD, and
boot it outside of the Windows environment. This solution will show you
how to do that.
1. Download the Ophcrack Windows password cracker from here. For Windows 7, click on the ophcrack Vista LiveCD. Ophcrack is one of the best free Windows
password recovery tools available. It's fast and easy even for a first
time Windows password cracker. Save file to Desktop.
2. Burn the Ophcrack LiveCD ISO file to a CD/DVD using the Windows 7 Disk Image Burner or another burning program. For Windows 7 users, please follow steps 2a and 2b. If you are using Vista or XP you will need to use a CD/DVD burning program already installed or download and install a free program such as the one here.
2a. Right click on the ISO file and select "Open with" and then select Windows Disk Image Burner or another CD/DVD burning program.
2b. Put a CD-R or DVD-R into the DVD/CD drive and select Burn. Wait for the burning process to finish.
3.
Restart computer and press F10 or appropriate function key for your
computer to enter the temporary boot menu. It may be F12 or F9 etc.
Look at the first screen that appears when you turn on the computer and
you will see which key to press. You also could enter the BIOS and
change the boot order if you would prefer that method. Many computers already have the CD/DVD drive as the first boot drive so you may
not have to do this step.
4. Select CD/DVD from the boot menu.
5. The Ophcrack LiveCD will now boot. Hit enter to select the Graphic Mode option when it appears.
6.
Ophcrack will automatically begin cracking your passwords. The longer
and more complicated the password is the longer it will take to crack.
99% of passwords are crackable. Any password over 14 characters cannot
be cracked. This program found my 8 character password which contains
letters and numbers in less than 10 minutes.
7. Write down your password when it's cracked. Remove the CD/DVD and restart computer.
Good luck and thanks for using FixYa.
You can create a Windows password reset bootable CD/DVD or USB flash drive to reset your forgotten Windows password, i have created a bootable USB flash drive with the tool Windows Password Breaker and reset my administrator password successfully.
SOURCE: eazy way to reset password on sylvania synet7wid netbook
Lost Windows password:
http://www.fixya.com/support/r7350901-fix_synet07526_wifi_flashing
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