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How to reset password on a Toshiba Satellite 2100CDS

Posted on 2009-04-08
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Last Modified: 2012-05-06
Forgotten password on this Toshiba Satellite 2100CDS, as it had not been used for a while. Can it be reset, have tried using a parallel loopback method to no success.
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Question by:Lovebug69
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by:blissbear
ID: 24094726
You are talking about the BIOS password?
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by:Lovebug69
ID: 24094809
I think so, the Computer Boots, displays a Red Toshiba Logo, then goes black and asks for a password
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blissbear earned 1000 total points
ID: 24094820
If you have tried the parallel key and the USB key, you can try to remove all power from the system and one line at a time ground all the pins on the security chip.  Some people have had success with that.

Officially you can get your password reset through any Toshiba Authorized Service Provider, provided your laptop hasn't been reported as stolen.  A local ASP can be found using this locator tool: http://pcrepair.toshiba.com/

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by:blissbear
ID: 24094839
You can try to build the Toshiba Parallel loopback. To make a simple device that you connect to your parallel port, a lot of Toshiba computers remove the password when you boot it up. The device, named "loopback" by some, could be made out of any parallell wire with 25pins connectors (db25). You should connect these pins: 1-5-10, 2-11, 3-17, 4-12, 6-16, 7-13, 8-14, 9-15, 18-25.
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by:blissbear
ID: 24094847
If your toshiba has a floppy drive, some models use this keydisk to reset the bios password: http://www.cgsecurity.org/keydisk.exe
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by:blissbear
ID: 24094890
My reference material indicates that the 2100CDS should work with the Parallel Loopback dongle.

Here is a page with build description: http://www.plasma-online.de/english/help/solutions/bios_password_toshiba.html

Make sure you have built it properly and you don't have the pins backwards.
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Author Comment

by:Lovebug69
ID: 24097377
Have already built the Dongle as you have described, no joy, also tried the floppy version (Change to ASCII "KEY" on second sector)

Which is the security chip?

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