IBM Thinkpad Bios Password

Posted on 2004-11-13
Last Modified: 2008-01-09
h r u
i have ur think pad model 390E , my son has taken my pc to school and his class fellows did password on the BIOS and Setup too. now they have forgotten that what the password they applied , the same situation was also happened the previous user so he removed the battery cell and its bank from the laptop, now i cant do that coz the bettery cell bank is not there , what should i do now . coz my precious data is in that pc. pls help me in this way . i will be very thankful to . i purchased this pc from a doctor in my city,i will wait for ur positive feedback
and take 500 Points
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khalid mahmood
Question by:momikh
    LVL 57

    Expert Comment

    by:Pete Long
    Normal BIOS password recovery - removing CMOS batteries etc will not work on a thinkpad (unfortunalely)

    go here IBM Thinkpad
    LVL 3

    Accepted Solution

    Only the BIOS password can be cleared according to the Hardware Maintenance Manual.  Here's the section copied directly from the IBM document:

    How to Disable the Password

    There are three passwords used at a typical customer site:
    the Setup password, the HDD password, and the Power On password.
      Power On password:
    1. Power off the computer.
    2. Remove the battery pack and AC Adapter.
    3. Remove the backup battery (RTC) for 20 minutes or use a screwdriver to touch the backup battery (RTC) for 1 second.
    4. Put back the backup battery (RTC).
    5. Power on the computer and wait until POST ends.
    6. Verify that the password prompt does not appear.

    Ÿ Supervisor and HDD passwords:
    The Supervisor password and Hard Disk password (Hard Disk1 and Hard Disk2) are security features that are used to protect the system and the hard disk drive data from unauthorized access. No overriding capability is provided, so it cannot be replaced if they are forgotten. If the customer forgets the Supervisor password, the system board must be replaced. If the customer forgets the Hard Disk password, the hard
    disk drive must be replaced.

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