if you're locked out, try this link:http://www.tomshardware.com/forum/64241-35-locked-laptop
you can use a password recovery disk if you had created one when you created the password.
you can take your pc to acer customer support. provide proof of ownership when asked.
can't help you with anything other than these. discussing cracking/bypassing password protection is against tomshardware rules. read the rules here:http://www.tomshardware.com/forum/57950-35-read-first