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Hello, my problem lies with the Tripod NBWAE LA-5831P (Toshiba L455D) motherboard. I need to reset the power to CMOS, so I can reset the BIOS back to default. Problem is, I can't find any battery, or jumpers to set. I also have been unable to find any sort of manual for the motherboard with schematics. Doh! Any help would be greatly appreciated. Thank you for your time.

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6 Suggested Answers

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Posted on Jan 02, 2017

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sandrew
  • 2961 Answers

SOURCE: T2893 Motherboard Layout - Where do the power jumpers go?

go to this link for the information you need http://www.intel.com/design/motherbd/sr/sr_con.htm#IC

Posted on May 06, 2007

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migregorio
  • 42 Answers

SOURCE: Advent 7110 bios password hell

ftp://ftp.sabioproducts.com/pub/Notebook/EF6C/EF6C_Service_Manual
I believe this is the manual associated with this Advent laptop. Select "disassembly instructions". Item is a viewable PDF document.

Posted on Apr 13, 2008

kornho
  • 781 Answers

SOURCE: Need to reset phoenix bios

have yout tried this application..
http://www.cgsecurity.org/wiki/CmosPwd

I've heard before about the toshiba paralell loopback (it's also mentioned on the website above) as a way to unlock your bios you may want to try that aswell.

post back if it worked.. would be good to know if it did.

I remember also reading about the possibility of flashing your bios (you're going to need a floppy drive unit) to at least unlock your hard drive and get your data out, you may still not be able to hack into the bios again.

Posted on Oct 01, 2008

ginko
  • 19396 Answers

SOURCE: jumper settings

There is no jumper settings, it is just a small bridge aside the bios Chip. you bridge the two pins and power to reset cmos.

A much easier way is removing the Cmos coin shaped battery from motherboar for few seconds, and put it back, this will reset Cmos the same .

Posted on Oct 10, 2008

drlalitv
  • 488 Answers

SOURCE: removed my CMOS battery, but the BIOS settings won't disable

There are 2 ways you can reset your bios. 
1. On the motherboard there is a small watch battery. Remove this battery along with the power cable from the power supply. Hold down the power button to fully discharge the system. Wait 2-3 minutes then reinstall the battery and plug in your system. Your reset is now complete 

2. Some motherboards have a 3 pin jumper by the battery. Lets say that the jumper is on pins 2 and 3. Remove the jumper while the machine is OFF and place onto pins 1 and 2. Power on your machine for a minute. (Note: Your system will not POST). Shutdown your machine and put the jumper back to pins 2 and
3. Your reset is now complete
There might also be an option within the BIOS to "Load Defaults" if that is all you are looking to do
please see this http://www.11a.nu/software/bios-pc-bios-security-and-maintanance-toolkit/
hope it helps!

Posted on Nov 04, 2008

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I am giving a link you can try from here there is 50 % chance to reset the password.
Fallow the bellow link.

http://jevarax.wordpress.com/2008/08/08/how-to-clear-your-toshiba-bios-password/

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