Do you know how to reset the bios password at Toshiba 4030 CDS? Is there a jumper on the motherboard or something like that?
(I want to downgrade to Windows95 to run one old program but to downgrade I need to boot the laptop from a CD. I have forgotten the bios password and I can't change the boot sequence now.)
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Re: Reset BIOS password at Toshiba 4030 CDS
If the password is stored in the BIOS and not on an EEPROM chip then you can remove the BIOS battery and wait for 1/2+ hour before inserting the battery back in. If you don't want to wait then short out the battery contacts on the motherboard. The BIOS settings will now be set to the factory default.
Alternately some laptops allow you to select an alternate boot up device by pressing the F12 key as you power up.
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2012-07-31 · Video embedded · In this video we reset the BIOS password on a Toshiba Satellite Laptop. Visit our website for more information ...
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In desktop machines its very simple.
Just remove the BIOS Battery from the motherboard and place it back after 1mint.
It is some what difficult in laptop machines. Because it is not an eassy job to remove BIOS battery from the mother board. So i'm just explaining some most commen methods.
1. Using a Backdoor BIOS Password
The backdoor password is a BIOS password that works, no matter what the user sets the BIOS password to. These passwords are typically used for testing and maintenance. Manufacturers typically change the backdoor BIOS passwords from time to time.
AMI Backdoor BIOS PasswordsReported AMI backdoor BIOS passwords include A.M.I., AAAMMMIII, AMI?SW , AMI_SW, BIOS, CONDO, HEWITT RAND, LKWPETER, MI, and PASSWORD. Award Backdoor BIOS PasswordsOne reported Award backdoor BIOS password is eight spaces. Other reported Award backdoor BIOS passwords include 01322222, 589589, 589721, 595595, 598598 , ALFAROME, ALLY, ALLy, aLLY, aLLy, aPAf, award, AWARD PW, AWARD SW, AWARD?SW, AWARD_PW, AWARD_SW, AWKWARD, awkward, BIOSTAR, CONCAT, CONDO, Condo, condo, d8on, djonet, HLT, J256, J262, j262, j322, j332, J64, KDD, LKWPETER, Lkwpeter, PINT, pint, SER, SKY_FOX, SYXZ, syxz, TTPTHA, ZAAAADA, ZAAADA, ZBAAACA, and ZJAAADC. Phoenix Backdoor BIOS PasswordsReported Phoenix BIOS backdoor passwords include BIOS, CMOS, phoenix, and PHOENIX. Backdoor BIOS Passwords from Other ManufacturersReported BIOS backdoor passwords for other manufacturers include: ManufacturerBIOS PasswordVOBIS & IBMmerlinDellDellBiostarBiostarCompaqCompaqEnoxxo11nEEpoxcentralFreetechPosterieIWilliwillJetwayspoomlPackard Bellbell9QDIQDISiemensSKY_FOXSOYOSY_MBTMCBIGOToshibaToshibaRemember that what you see listed may not be the actual backdoor BIOS password, this BIOS password may simply have the same checksum as the real backdoor BIOS password. For Award BIOS, this checksum is stored at F000:EC60.
2. Resetting the BIOS Password using Software :
!BIOS will recover the BIOS password for most common BIOS versions, including IBM, American Megatrends Inc, Award and Phoenix.
CmosPwd will recover the BIOS password for the following BIOS versions:
If you cannot access the machine after if has been powered up, it is still possible to get past the BIOS password. The BIOS password is stored in CMOS memory that is maintained while the PC is powered off by a small battery, which is attached to the motherboard. If you remove this battery, all CMOS information (including the BIOS password) will be lost. You will need to re-enter the correct CMOS setup information to use the machine. The machines owner or user will most likely be alarmed when it is discovered that the BIOS password has been deleted. On some motherboards, the battery is soldered to the motherboard, making it difficult to remove. If this is the case, you have another alternative. Somewhere on the motherboard you should find a jumper that will clear the BIOS password. If you have the motherboard documentation, you will know where that jumper is. If not, the jumper may be labeled on the motherboard. If you are not fortunate enough for either of these to be the case, you may be able to guess which jumper is the correct jumper. This jumper is usually standing alone near the battery. If you cannot locate this jumper, you might short both of the points where the battery connects to the motherboard. If all else fails, you may have to clear the BIOS password by resetting the RTC (Real Time Clock) IC (Integrated Circuit) on your motherboard. Many RTC's require an external battery. If your RTC is one of this type, you can clear the BIOS password just by unsocketing the RTC and reseating it.
4. Vendor Specific Solutions for Resetting the BIOS Password : Resetting a Dell BIOS PasswordFor information on how to recover a Dell BIOS password, please refer to How do I reset Dell BIOS password? Resetting a Toshiba BIOS PasswordKeyDisk will reset the BIOS password on Toshiba laptops.
Some Toshiba's can be convinced to bypass the startup BIOS password if you hold down the <LEFT-SHIFT> key while booting the system. Resetting an IBM ThinkPad BIOS PasswordFor information on how to recover an IBM Thinkpad BIOS password, please refer to How do I reset an IBM ThinkPad BIOS password? Resetting an IBM Aptiva BIOS PasswordSome IBM Aptiva's can be convinced to bypass the startup BIOS password if you press both mouse buttons repeatedly while booting the system. Resetting an Acer BIOS PasswordFor information on how to recover an Acer BIOS password, please refer to How do I reset an Acer BIOS password?
The most common way that most of us know on how to reset or clear the BIOS password is to physically remove the power from the computer by disconnecting the power plug and then removing the cmos battery for 30 minutes from the motherboard. Another way is to reset the clear CMOS jumper on the motherboard itself. Both of the 2 methods mentioned works because most motherboards use a battery to sustain the BIOS/CMOS settings for the motherboards PROM chip. So by cutting off cmos the battery power, the BIOS/CMOS settings will be erased.Hope this helps
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
This is a great troubleshooting
step for those of you having POST issues or no POSTing at all. Like
other troubleshooting steps, this will not always work but usually will
depending on the problem. Please let me know if you have any further questions or concerns. Thanks.
You can reset bios password with 2 method. (1) open back cover of
laptop then find motherboard .Pull cmos cell from motherboard for 15
minutes then again put it in it's position .then it not ask for
password. (2)You can clear password with jumper settings find jumper on motherboard named clear cmos it has 3 pin .1-2-3 Put jumper in 2-3 position then again put it in 1-2 position then check . Let me know if you need more assistance. Thanks.
Hi! In order to reset the BIOS password for your toshiba laptop, you need to bring the NB to the nearest Authorized Service Provider for Toshiba since only a certified Toshiba Technician can reset the BIOS Password. The technician will remove the jumper inside the laptop which is integrated on the motherboard and the BIOS Password will be reset. All issues regarding the BIOS Password are directly handled by Toshiba Authorized Service Provider.