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Thinkpad 2nd BIOS password

Discussion in 'IBM Thinkpad' started by Nigel Andrews, Feb 15, 2008.

  1. I have a Thinkpad model 2647 and I can't get beyond the 2nd BIOS password

    It boots and prompts F1 or F12

    F1 gives a BIOS password prompt which I answer and get an 'OK'.
    but then it shows 'Check date and time settings' and gives another password
    prompt (like the first) but the same password doesn't work and after 3
    attempts it locks.

    F12 gives a number of errors after the password is entered, date/time, CMOS
    checksum and resource conflict, then as for F1 it asks for a password again
    and locks after 3 attempts.

    Can you give me any idea what it going on here?
    I suspect maybe the BIOS backup battery is dead, but why once powered
    doesn't it let me in to set the date/time?


    Nigel Andrews, Feb 15, 2008
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  2. Ouch!
    I only know the one password. So next question is how can I get around the
    Supervisor password.

    But I am still not sure why it is leading me this way.


    Nigel Andrews, Feb 15, 2008
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  3. I presume if I can get to the back-up battery and pull it that will reset
    and password settings?

    Nigel Andrews, Feb 22, 2008
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