First, easy first program:
Universal password solution office fa (this is useful for the old motherboard CMOS, password attention to capitalization) We all know the BIOS system used on the motherboard Basically, they are all AWARD, and there are not many manufacturers such as AMI. These manufacturers have reserved a universal password for their own BIOS during production to solve the need. Among them, Award only has a universal password before the 4.51 version. As far as I know, there are the following passwords (sorted according to the probability of success):
wantgirl(pay attension to the capital letter) Syxz dirrid eBBB h996 wnatgirl Award
At boot time, see what BIOS is displayed on the screen. If it is AWARD (and is below 4.51), it is simple, you can enter the above password to try. Among them, the success rate of the first four is very big!
We know that there is a "SECURITY OPTION" column in the "BIOS FEATURES SETUP" option in CMOS SETUP. If it is set to the "SETUP" state, the password is only asked when entering CMOS SETUP. If it is set to the "SYSTEM" (or ALWAYS) state, the password will be asked regardless of whether it is booting normally or entering CMOS SETUP.
Second, manual brain second program:
Assuming that the "SETUP" status is set at this time, all the universal passwords happen to be invalid, then you can start normally, but no fa enters What should I do to change the password and BIOS settings in CMOS SETUP? Take a look at the following fa:
1. Simple DOS DEBUG crack program: Start with a floppy disk into DOS, execute the Debug program (you do not have to copy one).
1)debug 70 2e (carriage return) 71 00 (carriage return) 70 2f (carriage return) 71 00 (carriage return)
Then restart, it will be modified as soon as you enter CMOS .
2) debug 70 10 (Enter) 71 10 (Enter)
Restart, the computer will prompt CMOS settings error, press DEL to enter CMOS SETUP and find all parameters become The default value, after resetting the parameters, save the disk and exit the BIOS setup.
2. It is easy to clear the CMOS password with the help of the software tool.
1) Run BOOTSAFE C:/M with the component tool BOOTSAFE of PCTOOLS 9.0 to display CMOS information and boot The area information is backed up to a blank floppy disk to form two text files of CMOS.CPS and CBOOT.CPS, and then the CMOS.CPS can be arbitrarily modified with an editor such as EDIT. After saving, use the disk to start and run BOOTSAFE C:/R, the system will ask whether to restore CMOS data from the floppy disk (answer YES) and whether to restore the partition table data from the floppy disk (answer NO), and finally restart, then all the contents of CMOS have been cleared, you can do whatever you want.
2) Use the NORTON 8.0 component tool RESCUE. First use NORTON's RESCUE function to create an emergency disk. Also use EDIT and other editors to arbitrarily modify the contents of the CMOS.DAT file in the emergency disk. After saving, use the emergency disk to boot. Then run RESCUE.EXE in the emergency disk, select the recovery CMOS information (CMOS INFOMATION) in ITEM TO RESTORE, restart it after completion, its basic principle is similar to the above, it is to remove the information in CMOS, so as to eliminate Drop the password.
3) Keyboard character encoding cracking fa: If you do not even find a simple DOS software such as DEBUG, then don't worry, as long as there is a keyboard, and look at the keyboard to CMOS password Wonderful to do fa (as for the specific principle, I will not talk about it, just tell you what to do fa).
Run the screen edit command: COPY CON CMOS.COM (of course you can also use an editor like edit to write, but how can DEBUG guarantee you have EDIT?), then hold down the Alt key. On the keypad, type: 179 (release button, press again, continue input), 55 (repeat steps), 136, 216, 230, 112, 176, 32, 230, 113, 254, 195, 128, 251, 64, 117, 241, 195, and finally press + (Enter) to save the disk, which also generates a 20 bytes. The CMOS.COM file is newly launched. At this time, all the contents of CMOS have been cleared. You can freely modify the contents, including the password!
Three, the third program that really did not do fa - the universal discharge fa
With these solutions above, I think it should be OK, but I am still not at ease. If your CMOS is in the "SYSTEM" state, and it happens that all the universal passwords are useless, you don't have fa to start at all, let alone the software, DEBUG fa, keyboard character encoding, fa, what should I do? What? This requires us to use the versatile fa: discharge of CMOS passwords.
It is more dangerous to discharge the fa because it requires opening the case. There are a lot of jumperless motherboards (such as QDI and ABIT), the discharge is the easiest, because no jumper is not really jumper-free, generally there is a jumper for CMOS discharge on the board, so that No jumper motherboard discharge is easy.
Ordinary boards are a little troublesome, of course they also have jumpers for CMOS discharge, but you don't know which one is (not jumping and jumping).
It is best to have a motherboard manual. Check the specific JP number and discharge it. If you can't find it, you can get the desired effect by taking down the CMOS battery and shorting the positive and negative electrodes. Having said that, I think your CMOS password should have been fixed! Finally, I hope that the majority of netizens can successfully solve your CMOS password, remember that the best way to do fa or remember your own password, then save trouble. Moreover, don't use these fa to move other people's machines!
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