There a way to change to user name and password it only work on win 7 if have you it we going are change ease access center to a command prompt witch is bottom left hand corner of your screen blue circle with white line on it
Step 1 get download Ubuntu Desktop (Linux) for free.
step 2 Burn Ubuntu on computer
Step 3 make sure bios is set boot from cd once done that it start reading the disk (side note) if it does not work look for boot option or bios setup before windows starts select proper key either delete key or f1 just follow prompt on the screen
step 4 select try Ubuntu 12.04 LTS
step 5 select Place on top right corner and select c: don't select reserve select next one
step 6 Go windows folder then system 32 folder find Utilman.exe once found right click rename to Utilman1.exe next find cmd file. copy cmd file it should look like this cmd copy and replace cmd copy with Utilman.exe once done restart computer.
step 7 click on blue it will open command prompt Ignore the last type on the video just go step 8 thanks
step 8 type in the command prompt control userpasswords2 and press enter
Look for add this will created a new user and choose admin account.
If u have xp There is a hidden admin account in safemode here is how it done:
1 Restart computer
2 hit f 8 continuously until bring a back screen choose safemode let it load
3 will bring login screen choose Administrator click on it should go the home screen
4 once in there press windows key +r bring up run screen.
5 On run menu type the following : control userpasswords2 and press enter
Look for add this will created a new user and choose admin account. that it Good Luck leave a comment thanks.
if have an issue send me a msg.