How to remove a hard drive password?

I have a Toshiba hard drive that I'm trying to work off a ...  

Try this: http://www.lostwindowspassword.com  

Try to visit http://www.recoverlostpassword.com and try to find out your possible answers.It is a SmartKey Password Recovery tool.  

but the hard drive have been removed from the system  

... stands for Internal Hard Drive Password.) - delete the old password (if any) and ... changes you made to the password, then hit Enter on your ... your computer and use the password you created in the BIOS ...