How do I delete a master password I created in my PC BIOS and forgot?

Sissel P May 28, 2014

How do I delete a master password I created in my BIOS, in my PC, and forgot?

  1. Octavia Schroeder
    May 31, 2014 at 8:21 pm

    Log in to Safe Mode and you should be able to change the Admin password unless your operating system is Windows is XP Pro

    • Bruce E
      May 31, 2014 at 9:35 pm

      OP is referring to a BIOS password, not Windows.

  2. Cody
    May 29, 2014 at 3:30 pm

    Once I paid like $3 on ebay and they gave me a master password.. I couldn't find it anywhere. & The manufacturer wouldn't help me, I bought it used.

  3. Sabrina D
    May 29, 2014 at 7:13 am

    If it's a natoebook, there a master passwords. Here's a little list o them:

    If they don't work, you can call the manufacturer of the notebook, there's often a trick to do a hard-reset.

    For a PC, just remove the bios battery for a minute, but don'tfrget to remove the power cord.
    Or you can set the Jumper "Clear CMOS". For this, have a look at your mainboard manual. There you can see how to setthe jumper.

    Hope it help's ;)

  4. Lokesh
    May 29, 2014 at 5:02 am

    Remove your CMOS battery in the CPU Cabin.... and insert again after 10 minutes... Sure it will clear password and date time settings...

  5. audie
    May 29, 2014 at 1:15 am

    With many new laptops, the passwords are chip based, so removing the battery will have no effect. Killing the Bios battery only resets the hardware settings to default but do not remove the password.

  6. FJQ
    May 28, 2014 at 7:59 pm

    Kill BIOS battery

  7. Muhammad Uzair F
    May 28, 2014 at 7:58 pm

    You can't remove the Master password by removing the cell. It is only good for the administrator password but not for the Master password

  8. Badr Eddin Tahir
    May 28, 2014 at 7:42 pm

    Try CMOS Cleaner .

  9. Matt S
    May 28, 2014 at 5:09 pm

    If you have a desktop you can remove the CMOS battery (a small, circular battery, like that in a watch) or adjust a reset jumper switch (see your motherboard manual).

    On a laptop, well...that's a bit more difficult. You could call the manufacturer to see if you can grab a backdoor password, though they may not be willing to give out that information. You could also try a cracker like KillCMOS, though I've never had to resort to this personally.

  10. Hovsep A
    May 28, 2014 at 7:15 am

    maybe to reset cmos battery?

    • Anonymous
      May 28, 2014 at 11:51 am

      amer memory card password pore gace

    • joy21
      May 28, 2014 at 11:52 am
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