How do I reset the BIOS password on a Toshiba satellite A105?

It maybe possible to reset the Power on Password by removing the BIOS battery for 20 mins then insert the battery back into the motherboard.
If it does not reset the Power on password the this password is stored in an EEPROM chip and it is very difficult to remove and there are no backdoor passwords.

Reset Toshiba Satellite BIOS Password

take out battery,unplug power cord while plugging back in hold down the zero key & power ,go 45 seconds, go into setup load bios default then save

Here's a very good article. I couldn't put it better myself:
http://www.askvg.com/how-to-reset-remove-bypass-a-bios-or-cmos-password/

just remove the cmos battery

the bios stores the password and the cmos battery provides it power to store it

if you remove cmos battery the bios reverts to factory settings and the password is removed

cmos battery is different than the laptop backup battery

cmos battery is found inside the laptop case on the motherboard, you will have to open the laptop to remove the cmos battery

Select Start - All Programs - Toshiba - Utilities - Assist. Go into Hardware Setup, choose Password and reset the BIOS password. Good luck.

Dear u want to say someone change ur bios password..ok

Most of Bios password are able to remove by removing Motherboard battery or resetting jumper.

in case of ur laptop I attach a weblink of toshiba bios reset point in Motherboard

http://www.flickr.com/photos/22641186@N08/2174316598/in/photostream/

In this photo u will see a short part of toshiba board showing the pins u have to short for 5-8 sec. to reset ur bios.

hope u should do that..

Please open this link this will help you


http://www.thenetworkadministrator.com/biospasswords.htm



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Thanks
Regards

remove the cmos battery from the motherboard for 30 seconds.It works i just did it on the a105-s4547 model