Question about Apple PowerBook G4 Mac Notebook

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Powerbook g4 mac password reset

I've recently inherited a used laptopmade by appleits a,powerbook problem is i need to get into the o.s but unfortunately theres a it wont let me reset it by using the software i got with i beleive that this is possible to do by jumping the pasword wires on the motherboard?is this true?if so i need a detailed illustration of the motherboard.where can i find this as its not in the manual.thank you himedogg from san bruno

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  • joyous666 Jan 16, 2009

    I also inherited a powerbook G4 laptop and cannot access any of the settings because of the password. The previous owner has passed away so no chance of getting the password from them. Someone told me that you could take out the hard drive, and theres supposed to be a small battery below the drive and to take that out for a minute or two and that when you put in back in the hard drive would be like new. Is this true? If so, do I have to be worried about doing more damage because of the static charge?



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EASY - You will only have to acquire install OS X install disks. Boot to the Install Disks. In the menu bar at the top, there will be a password reset utility. From there you can reset the password and choose a new password.

Posted on Apr 27, 2008

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I inherited a PowerbookG4 and both of its owner quit working for me and i do not know the password. Also,one of the accounts has a password hint and when i click this, a reset password link pops up for a split second. Help?

Posted on Feb 23, 2014

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How far are you getting into the boot sequence? If you don't get a list of accounts or a prompt for password for the main account, then the drive itself is encrypted at the initialization level, and the only hope is to contact the previous owner for the password. Since you have tried using the Password Reset Utility from the system installer disc without success, it sounds like this is the case. If you need to get at the data, you can try putting the PB in 'target disk mode' and connecting it via FireWire to another Mac. If there is more than one volume on the hard drive, you might even be able to find a back door. Good Luck.

Posted on Feb 13, 2008

  • leonAzul Feb 13, 2008

    There is no encryption chip on an Apple MOBO. There is a very unlikely possibility that the password, or at least the encryption key, might be stored in an unsupported nook of one of the NVRAM chips that are designated for hardware configuration, network information, and preferred boot image information required at startup. IIRC, the PB G4 was still using an embedded LISP variant of Open Firmware, and you might be able to get a memory dump of the PRAM and NVRAM, along with whatever might still be lingering in main RAM. Check with the Apple web site for how to get into OF at boot time for the correct key sequence for your model. There's always a forensic analysis of the hard drive at the physical layer, as well *lol*

    If it were mine, I believe I would just get a fresh hard drive and enjoy that laptop without looking back.


It is not possible sorry. the only way is to open it up and it is a very dificult process which will ring u up a few hundred dollars

Posted on Jan 10, 2008

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Posted on Jan 02, 2017

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