How do I reset the admin pw and username?

Discussion in 'iMac' started by je1ani, Nov 29, 2007.

  1. je1ani macrumors 6502

    Joined:
    Sep 19, 2007
    #1
    today I bought an iMac 20" 2.16 c2d for $700 which I thought was a good deal but it came with no install discs and the guy did not know the user name or pw... Can I use my aluminum iMac install discs or to they have to be the ones that came with the system. When I try to install leopard it just shows 1 big lock and a section for the pw. Any help?
     
  2. Dany M macrumors 6502

    Joined:
    Jun 18, 2007
    Location:
    Earth
    #2
    try password....or keep trying until the hint shows up, and type the hint, if that fails yo should return it.
     
  3. je1ani thread starter macrumors 6502

    Joined:
    Sep 19, 2007
    #3
    but I dont know the username and I got it on craigslist so I can't return it
     
  4. WildCowboy Administrator/Editor

    WildCowboy

    Staff Member

    Joined:
    Jan 20, 2005
    #4
    Sounds you like you may have bought a stolen machine...

    Try using your install discs. If they work, great. If not, no harm done. If they don't work, you'll have to contact Apple to get a proper set of install discs for that machine. Then you can boot from them and do a fresh install.
     
  5. je1ani thread starter macrumors 6502

    Joined:
    Sep 19, 2007
    #5
    Yeah maybe.. The guy said he had the iMac for 1 year but the warranty showed bought in July 2007... Wierd and he wasn't computer literate he just said he bought the iMac because it "looked clean" mind you it was in Oakland, CA hahaha
     
  6. HLdan macrumors 603

    HLdan

    Joined:
    Aug 22, 2007
    #6
    You can buy a retail copy of Leopard and pop it into your iMac, then shut down the machine and start it up and hold down the "C" key and you can do a full erase and install of the OS and you should be good to go.
     
  7. JNB macrumors 604

    JNB

    Joined:
    Oct 7, 2004
    Location:
    In a Hell predominately of my own making
    #7
    $700 for a 5 month old iMac? Too good to be true? "Owner" doesn't know the admin name or password? Catching a theme here?

    Likely a hot machine. At the very least verify it isn't stolen. If it is, yeah, you're out the 700 bones, but that alone should've been a huge red flag.
     
  8. je1ani thread starter macrumors 6502

    Joined:
    Sep 19, 2007
    #8
    yeah I checked powermax.com/stolen and nothing came up... but anyways when I put in the install CD and hold alt and try to boot it up there's just a big Lock icon with a password which I don't know
     
  9. Scannall macrumors member

    Joined:
    May 31, 2007
    #9
    It is most likely stolen. But even if it isn't you have a $700.00 brick.

    That lock is the firmware password protection. And short of a new motherboard there is no way to change it, if you don't know what the password is.

    http://docs.info.apple.com/article.html?artnum=106482
     
  10. FatSweatyBlldog macrumors regular

    Joined:
    Aug 16, 2007
    #10
    D'oh.

    Not sure why you're handing over $700 for a machine you can't access, let alone test, BEFORE you purchase...but, hey, at least it's not a mini, right? :rolleyes:
     
  11. kellen macrumors 68020

    kellen

    Joined:
    Aug 11, 2006
    Location:
    Seattle, WA
    #11
    You could just put a new HD in it. Then install the new OS or old OS, would that work?
     
  12. Scannall macrumors member

    Joined:
    May 31, 2007
    #12

    Nope, the password protection in this case is in the EFI on the motherboard. Not on the drive.:eek:
     
  13. WildCowboy Administrator/Editor

    WildCowboy

    Staff Member

    Joined:
    Jan 20, 2005
    #13
    Firmware passwords can be bypassed with physical access to the machine (as Apple mentions in their support document), but I'm not about to post how to do so on a public forum.

    The OP should contact Apple about this situation and work with them to resolve the history of this machine and get proper install discs, etc.
     

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