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I have forgotten my bios password and can't get into my toshiba a135-s2246 laptop

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One solution is using 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

i have forgotten my bios - db25m.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.

Posted on Jul 24, 2008

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How remove bios password on toshiba satellite L3550-S7829?


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Resetting a Toshiba BIOS Password KeyDisk will reset the BIOS password on Toshiba laptops.
Older Toshiba laptops can be convinced to boot without their power-on BIOS password by attaching a dongle to the parallel port which crosses a number of the pins. The pin out is:
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http://pcrepair.toshiba.com


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http://www.csd.toshiba.com/cgi-bin/tais/support/jsp/outFrm.jsp?ofId=AskIris&searchString=Satellite+A135-S4487+password&x=12&y=8

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open your laptop exposing the mother board, look for a the CMOS/BIOS battery (the one in the picture). if you have more than one, remove both, then let it sit without the battery for at least 3 hours. (best if you do this overnight because results may vary depending on the model of your mobo)

after that, put the battery back in, put the laptop back together, and you are good to go.

good luck, hope you get this one running.

for more on toshiba laptop repair and TS tips, just click on the link below.

http://www.laptop-repair.info/toshiba_bios_password.html

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