How to Clear Bios

In: Computers and Technology

Submitted By N00BSlayer
Words 2138
Pages 9
READ EVERYTHING BEFORE YOU USE ANY METHOD LISTED BELOW

Basic BIOS password crack - works 9.9 times out of ten

This is a password hack but it clears the BIOS such that the next time you start the PC, the CMOS does not ask for any password. Now if you are able to bring the DOS prompt up, then you will be able to change the BIOS setting to the default. To clear the CMOS do the following:

Get DOS prompt and type:

DEBUG hit enter

-o 70 2e hit enter

-o 71 ff hit enter

-q hit enter

exit hit enter

Restart the computer. It works on most versions of the AWARD BIOS.

Accessing information on the hard disk

When you turn on the host machine, enter the CMOS setup menu (usually you have to press F2, or DEL, or CTRL+ALT+S during the boot sequence) and go to STANDARD CMOS SETUP, and set the channel to which you have put the hard disk as TYPE=Auto, MODE=AUTO, then SAVE & EXIT SETUP. Now you have access to the hard disk.

Standard BIOS backdoor passwords

The first, less invasive, attempt to bypass a BIOS password is to try on of these standard manufacturer's backdoor passwords:

AWARD BIOS

AWARD SW, AWARD_SW, Award SW, AWARD PW, _award, awkward, J64, j256, j262, j332, j322, 01322222, 589589, 589721, 595595, 598598, HLT, SER, SKY_FOX, aLLy, aLLY, Condo, CONCAT, TTPTHA, aPAf, HLT, KDD, ZBAAACA, ZAAADA, ZJAAADC, djonet, %¯ÂÒÚ¸ ÔpÓ·ÂÎÓ‚%, %‰Â‚ˇÚ¸ ÔpÓ·ÂÎÓ‚%

AMI BIOS

AMI, A.M.I., AMI SW, AMI_SW, BIOS, PASSWORD, HEWITT RAND, Oder

Other passwords you may try (for AMI/AWARD or other BIOSes)

LKWPETER, lkwpeter, BIOSTAR, biostar, BIOSSTAR, biosstar, ALFAROME, Syxz, Wodj

Note that the key associated to "_" in the US keyboard corresponds to "?" in some European keyboards (such as Italian and German ones), so -- for example -- you should type AWARD?SW when using those keyboards. Also remember that passwords are Case…...

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