Code: O 70 2EO 71 FFQNote that the first letter is a 'O' not the number '0'. The numbers which follow are two bytes in hex format.Flashing BIOS via hardwareIf you can't access the computer when it's on, and the standard backdoor passwords didn't work, you'll have to flash the BIOS via hardware.

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If you've forgotten your BIOS password, or if someone has changed the password on your Toshiba laptop without your permission, then there are a couple things.

Please read the important notes at the end of this section before to try any of these methods.Using the jumpersThe canonical way to flash the BIOS via hardware is to plug, unplug, or switch a jumper on the motherboard (for 'switching a jumper' I mean that you find a jumper that joins the central pin and a side pin of a group of three pins, you should then unplug the jumper and then plug it to the central pin and to the pin on the opposite side, so if the jumper is normally on position 1-2, you have to put it on position 2-3, or vice versa). This jumper is not always located near to the BIOS, but could be anywhere on the motherboard. To find the correct jumper you should read the motherboard's manual.Once you've located the correct jumper, switch it (or plug or unplug it, depending from what the manual says) while the computer is turned OFF. Wait a couple of seconds then put the jumper back to its original position.

In some motherboards it may happen that the computer will automatically turn itself on, after flashing the BIOS. In this case, turn it off, and put the jumper back to its original position, then turn it on again.

Other motherboards require you turn the computer on for a few seconds to flash the BIOS.If you don't have the motherboard's manual, you'll have to 'brute force' it. Trying out all the jumpers. In this case, try first the isolated ones (not in a group), the ones near to the BIOS, and the ones you can switch (as I explained before). If all them fail, try all the others. However, you must modify the status of only one jumper per attempt, otherwise you could damage the motherboard (since you don't know what the jumper you modified is actually meant for).

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If the password request screen still appear, try another one.If after flashing the BIOS, the computer won't boot when you turn it on, turn it off, and wait some seconds before to retry.Removing the batteryIf you can't find the jumper to flash the BIOS or if such jumper doesn't exist, you can remove the battery that keeps the BIOS memory alive. It's a button-size battery somewhere on the motherboard (on elder computers the battery could be a small, typically blue, cylinder soldered to the motherboard, but usually has a jumper on its side to disconnect it, otherwise you'll have to unsolder it and then solder it back). Take it away for 15-30 minutes or more, then put it back and the data contained into the BIOS memory should be volatilized. I'd suggest you to remove it for about one hour to be sure, because if you put it back when the data aren't erased yet you'll have to wait more time, as you've never removed it. If at first it doesn't work, try to remove the battery overnight.Important note: in laptop and notebooks you don't have to remove the computer's power batteries (which would be useless), but you should open your computer and remove the CMOS battery from the motherboard.Short-circuiting the chipAnother way to clear the CMOS RAM is to reset it by short circuiting two pins of the BIOS chip for a few seconds. You can do that with a small piece of electric wire or with a bent paper clip. Always make sure that the computer is turned OFF before to try this operation.Here is a list of EPROM chips that are commonly used in the BIOS industry.

You may find similar chips with different names if they are compatible chips made by another brand. If you find the BIOS chip you are working on matches with one of the following you can try to short-circuit the appropriate pins. Be careful, because this operation may damage the chip.CHIPS P82C206 (square)Short together pins 12 and 32 (the first and the last pins on the bottom edge of the chip) or pins 74 and 75 (the two pins on the upper left corner). Code: 80 51 81 - - 50 OPTi F82C206 100- -31 1 303 26Dallas DS1287, DS1287ABenchmarq bp3287MT, bq3287AMTThe Dallas DS1287 and DS1287A, and the compatible Benchmarq bp3287MT and bq3287AMT chips have a built-in battery. This battery should last up to ten years.

Any motherboard using these chips should not have an additional battery (this means you can't flash the BIOS by removing a battery). When the battery fails, the RTC chip would be replaced.CMOS RAM can be cleared on the 1287A and 3287AMT chips by shorting pins 12 and 21.The 1287 (and 3287MT) differ from the 1287A in that the CMOS RAM can't be cleared. If there is a problem such as a forgotten password, the chip must be replaced. (In this case it is recommended to replace the 1287 with a 1287A).

Also the Dallas 12887 and 12887A are similar but contain twice as much CMOS RAM storage. Code: 1 -. U - 24 5v2 - - 233 - - 224 - - 21 RCL (RAM Clear)5 - - 206 - - 197 - - 188 - - 179 - - 1610 - - 1511 - - 14gnd 12 - - 13 NOTE: Although these are 24-pin chips,the Dallas chips may be missing 5 pins,these are unused pins.Most chips have unused pins,though usually they are still present.Dallas DS12885SBenchmarq bq3258SHitachi HD146818APSamsung KS82C6818AThis is a rectangular 24-pin DIP chip, usually in a socket. The number on the chip should end in 6818. Although this chip is pin-compatible with the Dallas 1287/1287A, there is no built-in battery.Short together pins 12 and 24. Code: 1 -.

U - 24 5v2 - - 233 - - 224 - - 215 - - 206 - - 197 - - 188 - - 179 - - 1610 - - 1511 - - 14gnd 12 - - 13 Replacing the chipIf nothing works, you could replace the existing BIOS chip with a new one you can buy from your specialized electronic shop or your computer supplier. It's a quick operation if the chip is inserted on a base and not soldered to the motherboard, otherwise you'll have to unsolder it and then put the new one. In this case would be more convenient to solder a base on which you'll then plug the new chip, in the eventuality that you'll have to change it again. If you can't find the BIOS chip specifically made for your motherboard, you should buy one of the same type (probably one of the ones shown above) and look in your motherboard manufacturer's website to see if there's the BIOS image to download.

ESC Key BIOS Password removing procedure1. Starting with the computer fully off, turn it on by pressing and releasing the power button.

Immediately and repeatedly tap the Esc key. The computer will display the 'Password = ' prompt.2. Enter the correct password, and press the Enter key.

The computer will display 'Valid password entered, system is now starting up. Check system. Then press (F1) key'3.

Press the F1 key. The BIOS setup program will appear.4. Using the arrow keys or the tab key, move to the password field, and highlight REGISTERED.5.

Press the spacebar, enter the correct password, and press the Enter key. The Password field will change to NOT REGISTERED.Source:by.

Things are not that simple. Removing the CMOS battery to reset the BIOS may have worked in some old laptops. But not in any later or current model Toshiba Satellites. And looking for a jumper that is labelled 'reset'or whatever is waste time, is not a PC. And SATA lock.?? We can just ignore that. If that was the case we could get to the BIOS, of course.

Before it even looks at the HDisk. Roger Davies solution is the only one I have heard of working. He neglected to tell you though, there is a chance you can fry the board if not done correctly. His L-series does still have some MBoard labels. I believe there is an actual location ID for that short out solution on the L-series MBoard.

Search on Google, you will find the solution. I have an R50 and the MBoard has no labels or location IDs. And no known solutions, that im aware of.So if anyone can tell me how to reset the BIOS lock on an Satellite R50? I would greatly appreciate it.

The 'so-called' technician at technibble and many others that purport to be knowledgeable on power-on-passwords do not understand that to use any power-on-password killer, u have to gain access to the power-on-password creator, which means any cracker in windows.a. Is not going to work coz the password is written to a chip on the motherboard, andb. The power-on-password comes up b4 anything, so u can't even get into get ito windows.c. Easy job, just removed the bios password on my toshiba satellite L450d-12x, to do so remove Ram cover and Ram modules, then carefully remove label from motherboard underneath where the ram was, there is a 5mm square copper bit that if u look carefully is 2 pieces arranged into a square (it's labelled J1) u just need to short these two pieces together, I used a small flathead screwdriver but it is lacquered so I had to scratch it slightly to get a good connection. Also make sure u remove battery and charger first and hold down power button for 20 seconds to drain any excess charge. Good luck everyone!

Wow everybody wants to get so complicated re-flashing EPROMs and what not before they have all the facts. Has anybody considered the hard drive, SATA has been password locked? If that's the case, toss the drive and install a new one. Don't waste your time trying to hack your way in, unless there is a very specific reason you want access to that data if that's the case hire a forensics team to recover the drive. Its really not that complicated.

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If it's bios lockout, pull the batterys for half an hour. If it's not a windows lockout, then it's a sata pw lockout. Well I have the L775D Toshiba satellite, I removed the main & the cmos battery to, waited over an hour, and even removed the ram chips, then removed the hard drive, after the hour had past put it all back together like (humor dumpty ), so keeping my fingers crossed pushed power button wishing & praying it would turn on, but u think it did, he'll no still got screen that says enter password!! And yes even tried it again but to no avail it failed like totally sucks. So I will keep trying, will try the backdoor password codes maybe I'll get lucky!.Who knows.

But if not working by the end of days I guarantee you I will Nuke its ass seriouslyby. If you’re able to boot into your OS, e.g BIOS isn’t set while booting, then there are several ways to do that. I’ve fixed this problem by editing firmware and that’s all I’ve done so far. It’s really very useful. Below are the stepsone should follow:Download the BIOS firmware and use 7 zip to extract the contents.If you’re not able to extract the firmware completely, simply open the.exe by double clicking on it and then do nothing.Press Win+R and type%temp% and then TEMP files folder will appear, look for the folder where you think files of your firmware are available.Copy all the content and look for.ini file, mainly config.iniOpen it and look for Password=1, replace it with Password=0 and save the file.There should be an.exe file, open it and flash the firmware.

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That’s all you need to do.I’ve also found another article in ifixit to.