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- mayhemt, on 10/12/2007, -1/+8theres a shortcut...remove battery..turn on..turn off.. put battery in & turn on again...password is cleared, time is reset..
- wonginator1221, on 10/12/2007, -0/+3http://www.google.com/search?q=cache:7gBsRR7ED90J:www.info-directory.info/Article301.html+&hl=en&gl=us&ct=clnk&cd=1
- TKDWILSON, on 10/12/2007, -0/+3""""theres a shortcut...remove battery..turn on..turn off.. put battery in & turn on again...password is cleared, time is reset.."""""
Some old systems do not have the traditional little round battery. It is hard to reset those. I ran into that problem before.
Eric Wilson - joachim, on 10/12/2007, -0/+2good information, but annoying background on that site.
- saysaknow, on 10/12/2007, -0/+2I'm fixing someone's computer and it requires me to enter BIOS, however, they forgot their password.
- pwrstick, on 10/12/2007, -1/+3mayhemt: don't forget that ATX boards have a power trickle, so:
1. Turn off power
2. Unplug cable from PSU
3. Take out battery
4. Wait about a minute for the capacitor to fully drain.
5. Put battery back in, plug PSU back in, turn on. - inactive, on 10/12/2007, -0/+2Digg the band out of width:
http://64.233.179.104/search?q=cache:7gBsRR7ED90J:www.info-directory.info/Article301.html+www.info-directory.info+Article301.html&hl=en&gl=ca&ct=clnk&cd=1&client=firefox-a - killin1a4, on 10/12/2007, -0/+2To reset the password of a Toshiba, you can use KeyDisk.
If this doesn't work, you can try to build the Toshiba Parallell loopback.
To make a simple device that you connect to your parallell 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 - stoops, on 10/12/2007, -0/+2Dude this was more than just removing a battery, they actually had DOS commands to directly write to the CMOS and overwrite the password which was new to me so I dugg it.
- inactive, on 10/12/2007, -0/+1now sure about modern machines... but i know that on older machines it could be a matter of removing a jumper on the motherboard and the password would go away. It'd typically labeled on the board as PWD.
- CLucas916, on 10/12/2007, -0/+1no its not dead, just really slow
- killin1a4, on 10/12/2007, -0/+1http://www.cgsecurity.org/index.html?cmospwd.html
is the link to where i got the above information... and yes it works, i built one myself. - JorgeGT, on 10/12/2007, -0/+1CLEAR_CMOS pins + something metallic = totally reset! I know through EXPERIENCE :P
- rschnz, on 10/12/2007, -0/+1I like the way when one should rewrite some bytes in CMOS :) (using debug.com, the very first method in the article ), but as far as i know it won't work because all ms-dos programs works not with the real hardware but with a virtual machine. I tried this long before and it didn't work. Maybe i am wrong.
- tannpopo, on 11/11/2009, -0/+1http://blog.resetwindowspassword.com/?p=43 this article is also very great!!
- DigitalCreators, on 10/12/2007, -0/+0CMOS would work fine
- digitalme, on 10/12/2007, -0/+0Or use a bios override password - those often work for me, and it's a helluva lot simpler to try than the jumper--especially if you're in a situation where physical access wouldn't be feasible.
- calengklik, on 07/29/2009, -0/+0just remove CMOS battery
http://calengklik.co.cc/ - killin1a4, on 10/12/2007, -0/+0what about those that have a hdd lock and bios password.... sometimes the battery on a laptop is not removable... what about that huh.
- happymark, on 10/17/2009, -0/+0A. By Using the Motherboard Jumper:
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.
Make sure to turn the PC off before opening the cabinet and resetting the jumper.
B. By Using Software:
I have found that BIOS/CMOS Password Recovery Tool is the most effective.:
BIOS/CMOS Password Recovery Tool is a program that works instantly to remove any lost or forgotten BIOS/CMOS password. Simply boot your PC to DOS and execute the program, and get access to forgotten BIOS/CMOS passwords in just seconds
BIOS/CMOS Password Recovery Tool Service: http://www.biospasswordrecovery.com/ - Prod1gy, on 10/12/2007, -0/+0i just found this useful =]
damn computers at school won't let me into BIOS so i can change the boot options, so i can get into knoppix =] - maloney_633, on 10/12/2007, -1/+1I have put up a version at my site in case his crashes.
http://maloney633.googlepages.com/home - dlogic, on 10/12/2007, -0/+0i would call it a digg.....cuz in certain conditons i wont be able to open the cabinate.
for eg in a college / a restricted comp
he eeh he eh he - pwrstick, on 10/12/2007, -0/+0Hyperion:
Some mobo mfgrs (like mine: DFI) will instruct you to do the jumper AND the battery and cable. Weird huh. - teh_toaster, on 10/12/2007, -0/+0Just goes to show that nothing can be completely secure if people have physical access to equipment, even Windows NTFS encrypted stuff.
Theres a video tutorial on that here: http://thebroken.org/ - karlisi, on 10/12/2007, -0/+0Interesting, perhaps sometimes you cannot physically open the case and this hack can help. Digg.
- dipswitch, on 10/12/2007, -0/+0With "yes", I referred to DigDuality.
- dipswitch, on 10/12/2007, -0/+0Yes, and sometimes there's a jumper that, when you remove it, cuts power to the battery. It is often located near the battery itself. Though that one doesn't just remove the password ;)
- cntp, on 10/12/2007, -0/+0there really should be a way to flash the BIOS and have it install the pasword in the EEPROM (or if you're way parinoid, have someone create a BIOS chip that has your password built into it). That way, you'd have to pull the whole ***** bios chip to get around the password. Would be much more secure for more critical applications (then again, if someone has hardware acces, you're basically screwed if someone wants to do something)
- conradodav, on 07/24/2008, -0/+0Hello i work as a certified technician in Toshiba i can unlock ANY MODEL of toshiba. If anyone have questions feel free to write me to conradodav@hotmail.com.
Satellite TECRA, QOSMIO, SATELLITE, SATELLITE PRO, PORTEGE BIOS PASSWORD UNLOCKER - robfluth, on 11/02/2009, -0/+0A. By Using the Motherboard Jumper:
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.
Make sure to turn the PC off before opening the cabinet and resetting the jumper.
B. By Using Software:
I have found that BIOS/CMOS Password Recovery Tool is the most effective.:
BIOS/CMOS Password Recovery Tool is a program that works instantly to remove any lost or forgotten BIOS/CMOS password. Simply boot your PC to DOS and execute the program, and get access to forgotten BIOS/CMOS passwords in just seconds
BIOS/CMOS Password Recovery Tool Service: http://www.biospasswordrecovery.com/ - acariquara, on 10/12/2007, -0/+0With some old Pentium I and II mobos you just have to press "Ins" and hold it during POST. Actually did this one time @ my former college... impressed the hell out of colleagues.
- cryptocom, on 10/12/2007, -0/+0open up the case, and change the processor. tada...no bios password.
:) - inactive, on 10/12/2007, -0/+0cant do that for a Compaq/HP. No bios battery, and the password is stored on a "security chip" separate from the bios. So you could even replace the bios, and the password would still be there. HP doesn't give those security chips to anyone either. A lost HP bios password requires the random (?) "unlock hash" that the bios displays, and a phonecall to HP, along with a Faxed signed document stating you are the owner, the serial numbers, and the unlock hash, they then call you and tell you the backdoor key generated from the unlock hash you gave them. Imagine a company IT staff having to do that 100X.
- alexmiller, on 10/12/2007, -1/+0Digg.com- We put the "Downed Server" in "Downed Server"!
- jfkintp, on 10/12/2007, -2/+1No Digg, completely lame. As a sysadmin with over 20,000 users and PC owner for over 20 years I have only once had a problem with a BIOS password and pulling the battery reset it - no problem. Just because you know some obscure machine code BFD. There is only a finite amount of time and vast amounts of information. It is important to be able to separate that which is worth knowing from that which isn't and this ain't worth knowing.
- PunX0r, on 10/12/2007, -1/+0Anyone have any idea how to bypass the bios password on a Toshiba Satellite A30?
- Hyperion, on 10/12/2007, -1/+0...or just reset the CMOS jumper.
- digitalme, on 10/12/2007, -1/+0foodbar: 1. use the google cache.
2. It's about bypassing bios passwords, whether you've forgotten them, or if you have...other purposes in mind. - peerk, on 10/12/2007, -1/+0buy new motherboard = BIOS password bypassed
- stoops, on 10/12/2007, -1/+0Good info showing that no computer is secure!!!!!!!!!!!!!!!!! Remember to turn on file encryption kids.
- h4lofourt33n, on 10/12/2007, -1/+0Durr, remove the battery, count to 3 put it in, reboot, presto.
- Rggoalie3, on 10/12/2007, -1/+0P.S. - Lame, there is no need for this info. Removing the battery is easier and less time consuming. Who really has time to try all of those BIOS passwords?!? UGH.
- Rggoalie3, on 10/12/2007, -1/+0pwrstick:
You don't have to wait for the power to die out.
1) Turn off PC.
2) Un-Plug cable from PSU
3) Remove CMOS battery
4) Press power button
5) Replace battery/PSU cord - rusty_g, on 10/12/2007, -2/+1good digg..
- spamdies, on 10/12/2007, -1/+0why remove the battery when you can just jumper clear the cmos.... shesh
- tidejwe, on 10/12/2007, -1/+0This should read "How to bypass SOMEONE ELSE'S BIOS Password" because why would you ever want to bypass your own? This is good to know incase you stole a computer, or you want to hack someone else's or you are stupid and forgot/lost the pw...
- TheWarrior, on 10/12/2007, -1/+0"buy new motherboard = BIOS password bypassed"
So true. Soooo true. - coachace, on 10/12/2007, -2/+0"No Digg, completely lame. As a sysadmin with over 20,000 users and PC owner for over 20 years I have only once had a problem with a BIOS password and pulling the battery reset it - no problem. Just because you know some obscure machine code BFD. There is only a finite amount of time and vast amounts of information. It is important to be able to separate that which is worth knowing from that which isn't and this ain't worth knowing."
Same here. As a sys admin, the only reason I can think of why my users would want to do this is so they can bypass the security I set up. I only set BIOS passwords at the behest of the employer. The case is locked, too, because it's just as easy to short the CMOS password pins on the motherboard. Passwords are usually set for a reason. If you set it and then forgot the password, RTFM. - jimr, on 10/12/2007, -2/+0I have an even better idea... Don't forget your password. Password Keeper works for me, as in www.gregorybraun.com.
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