Question about Toshiba Satellite Pro L300 Notebook

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I need to remove the BIOS password. I have unsoldered the CMOS Battery, removed the battery , left it off for days . Still I can't get it cleared. Please advice further information. Thankyou Patrick Turliu

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The BIOS and any password is on flash memory which retains its content without need for any battery. If you can get the service manual, there is probably a jumper that can be applied which will bypass the password on power up. Another way is to just reflash the BIOS which may reset the password to its default (usually blank). There is a chance that the password is stored on a part of the flash memory that is not written to when the BIOS is reflashed which is why I use the term "may".

Posted on Mar 18, 2011

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  • Bill Yee Mar 18, 2011

    Noticed that there is a Remove BIOS Password ad on the web page with this discussion. Took a look and its for Dell and your problem states you have a Toshiba. The process with the paper clip is essentially what I said about using a jumper. Where it is placed would depend on the particular motherboard.

  • Bill Yee Mar 23, 2011

    Copy and paste the following link into your browser's address field to go to a web site that not only explains How to Reset a BIOS Password but also has a section for Resetting a Toshiba BIOS Password with a link to KeyDisk which will reset the BIOS password on Toshiba laptops. Be aware that I have not verified KeyDisk so you download and use it solely at your own risk.

  • Bill Yee Mar 23, 2011

    You might also want to try the following...
    Toshiba laptops can bypass the password by holding down the left shift key during boot-up.



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In most motherboards CMOS battery is soldered, which makes it difficult to remove the battery. In this case we use another method.
Almost all motherboards contain a jumper that can clear all CMOS settings along with the BIOS password. The location of this jumper varies depending upon the motherboard brand. You should read your motherboard manual to check its location. If you don't have the manual then look for the jumpers near the CMOS battery. Most of the manufacturer label the jumper as CLR, CLEAR, CLEAR CMOS, etc.
When you find the jumper, look carefully. There will be 3 pins and the jumper will be joining the center pin to either left or right pin. What you need to do, is remove the jumper and join the center pin to the opposite pin. e.g. if the jumper joins center pin to left pin, then remove it and join center pin to right pin. Now wait for a few seconds and then again remove the jumper and join the center pin to left pin.
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BIOS/CMOS Password Recovery Tool Service:

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