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Solve : Blank (empty) password makes laptop lock?

Answer» SONY VAIO PCG-9w6l (VGN-bx546bw)

hi,

i am using my VAIO PCG-9w6l (VGN-bx546bw) Laptop since 2 years with power-on password and BIOS password, and i try to REMOVE password by changing password to blank (leaving empty) in CMOS security SETTING then password is changed but my laptop still ask for password , I try to unlock just pressing enter WITHOUT any typing (leaving blank) but it doesn't accept and i tried to unlock with old password still it doesn't work. Now my laptop becomes locked.

I tried everything, what i know:
removing cmos battery (2 days), finding jumper but i couldn't FIND , even i can't use BIOS cracking softwares because power-on password is there.

Please, Can anybody help me? please .....

My laptop service TAG is C100YQBPYou will need to take the MACHINE to an authorised Sony Service Center...be prepared to provide Proof of Ownership...


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