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Bios Password reset for Toshiba Satellite M 45

I have a back screen asking me for a password, I took it apart remove batteries lef it for a few days,put it all back, still the same. Any ideas,.Thanks.

Luis Modesto

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  • doble809 Sep 28, 2008

    Theres no jumpers, I look under the vinyl where the memory goes, also under the vinyl wher the wi-fi card goes

  • doble809 Sep 29, 2008

    No, parallel port or serial. only USB's. Can I use a paper clip jumper and wich points to jump???

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  • Master
  • 4,338 Answers

Did you notice a PWD clear jumper while you had it open?
OR CMOS clear jumper?

Posted on Sep 28, 2008

  • JDTec
    JDTec Sep 28, 2008

    Does the CMOS battery have a cable that you plug into the system board?



    Even though you remove the battery,the CMOS keeps its settings until it is cleared by a junper or shorting out the pins.



    How To Clear Your Toshiba Bios Password








    This Toshiba bios password removal process is meant for use on Toshiba laptops that you own or have had permission from the rightful owner to remove the password. If any of these processes are done incorrectly it may result in complete system failure or permanent system damage (you've been warned!).


    Some Toshiba bios passwords can be reset using the Key Disk.exe utility, to do this you need a 1.44Mb floppy disk. Format the disk using Windows and then with a hex editor, change the first five bytes of the second sector to 4B 45 59 00 00.

    Then put the floppy into your machine and boot it up, you'll be asked for a password, just press Enter. Then when you're asked to set the password, type Y then Enter, this will get you into the bios configuration where you can then type in a new password.

    Aside from the KeyDisk, you can build a parallel Loopback plug, this is a simple device that plugs into the parallel port of the machine and removes the password when you boot it up.

    To make it you will need a 25 pin DB25 plug, take the plug apart and join these pins using some old cable;
    Pins: 1-5-10, 2-11, 3-17, 4-12, 6-16, 7-13, 8-14, 9-15, and 18-25





    Plug it into your parallel port and boot up your machine, the password should be removed as soon as it boots.

    Note: This will work on majority of older Toshiba's (1995 – 2002) and obviously only ones that have a parallel port.

  • JDTec
    JDTec Sep 28, 2008

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  • Jun 08, 2016 | Toshiba Computers & Internet

    1 Answer

    How to unlock a toshiba Satellite l45 bois password


    Just remove the CMOS battery for a few seconds, then put it back. The BIOS password will now be reset.

    Aug 09, 2014 | Toshiba Satellite L745-S4310 Laptop

    1 Answer

    My bios password is unknown and i can not access the actual settings. i can however boot into windows.


    Normally, Toshiba may have a default password such as "toshiba", try that first.

    If not successful, then power down the laptop, remove the battery for about 30-45 minutes, then power back and go into bios, the password should be gone.

    It is important to remember that with this method, the bios goes back to factory defaults and the time and date may have to be reset.

    It neither do not remove the password, then the bios has it's own battery and would have to be accessed and removed to clear out the password. I do not recommend this option unless you
    are knowledgable about disassembling the portion on the unit to get to the battery.

    Good Luck

    Aug 25, 2011 | Toshiba Satellite L305D-S5974 Laptop

    2 Answers

    My Toshiba laptop got wiped and failed to wipe. So when I try to restart it, it asks for a BIOS PASSWORD in a blue box. I've tryed all tricks and don't know. The satelite number is L455-S5009. I...


    The BIOS and Supervisor passwords cannot be removed or changed unless you know the existing password(s). If you forget your BIOS or Supervisor password, you will have to have the password removed by a Toshiba Authorized Service Provider

    Aug 17, 2011 | Toshiba Satellite L455-S5009 laptop

    1 Answer

    Need help with toshiba dynabook satellite 1801


    Toshiba bios password removal process is meant for use on Toshiba laptops that you own or have had permission from the rightful owner to remove the password. If any of these processes are done incorrectly it may result in complete system failure or permanent system damage (you've been warned!).


    Some Toshiba bios passwords can be reset using the Key Disk.exe utility, to do this you need a 1.44Mb floppy disk. Format the disk using Windows and then with a hex editor, change the first five bytes of the second sector to 4B 45 59 00 00.

    Then put the floppy into your machine and boot it up, you'll be asked for a password, just press Enter. Then when you're asked to set the password, type Y then Enter, this will get you into the bios configuration where you can then type in a new password.

    Aside from the KeyDisk, you can build a parallel Loopback plug, this is a simple device that plugs into the parallel port of the machine and removes the password when you boot it up.

    To make it you will need a 25 pin DB25 plug, take the plug apart and join these pins using some old cable;
    Pins: 1-5-10, 2-11, 3-17, 4-12, 6-16, 7-13, 8-14, 9-15, and 18-25

    adaec67.gif
    Plug it into your parallel port and boot up your machine, the password should be removed as soon as it boots.

    Note: This will work on majority of older Toshiba's (1995 – 2002) and obviously only ones that have a parallel port.

    Apr 28, 2010 | Toshiba Satellite A135-S2276 Notebook

    4 Answers

    Toshiba satellite a215-s7437 bios pw


    For that you need to reset factory defaults settings for bios.
    For reset bios u have to open back side of your laptop then u find motherbord circuit there.
    pull cmos cell on motherbord for 15 minute then it reset to defaults.
    Also u can reset with jumper settigns read carefully on mother bord there is 1 jumper near cmos cell u read there " bios reset or clear"
    It is on 1-2 position right now set it in 2-3 position then power up then all bios settings are reset.
    then again set it in 1-2 its original position.
    Then it not want password.

    Jun 21, 2009 | Toshiba Satellite A215-S4747 Notebook

    2 Answers

    COMPUTER WANTS PASSWORD, THERE ISN'T ONE


    It might be worth having a quick look here first:

    http://www.laptop-repair.info/toshiba_bios_password.html
    Resetting a Toshiba BIOS Password KeyDisk will reset the BIOS password on Toshiba laptops.

    Keydisk - http://www.cgsecurity.org/keydisk.exe

    ** I have downloaded this file myself from the link above and scanned it with microsoft one care, it came up clean **

    Some Toshiba's can be convinced to bypass the startup BIOS password if you hold down the <LEFT-SHIFT> key while booting the system.

    May 13, 2009 | Toshiba Satellite® A135-S2266 PC Notebook

    2 Answers

    Bios password problem


    this only works with P3s or lower
    if you don't know the password or do know..


    http://cgi.ebay.com/TOSHIBA-Laptop-Parts-BIOS-Password-Removal-Reset-Key_W0QQitemZ260336591256QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item260336591256&_trksid=p3286.c0.m14&_trkparms=72%3A1205|66%3A2|65%3A12|39%3A1|240%3A1318|301%3A1|293%3A1|294%3A50

    Jan 26, 2009 | Toshiba Satellite A135-S4527 Notebook

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    BIOS password


    Try removing the battery on the motherboard, that may do it wait a few minutes and it should clear the settings, I will look and see what else is specific to your notebook. Merry Christmas

    Dec 24, 2008 | Toshiba Satellite A135-S2326 Notebook

    1 Answer

    Removal of bios level password


    Some laptops are passworded default at'oooo' or 'ooooo'. The bios re-set is the 'JBAT1' terminal, from jumpers 1-2 to 2-3 for a few seconds and then back to 1-2 again, but where the terminal is exactly on your motherboard i do not know. You may also try removing the bios didc shaped battery for 15 minutes or so, then replacing.

    Jan 06, 2007 | Toshiba Satellite M105-S3001 Notebook

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