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deadshumz2020-12-28 13:48:04
Windows
deadshumz, 2020-12-28 13:48:04

How to find out the bios password without resetting?

There is a BIOS password, there is also access to the OS without recognizing the password, are there any programs / ways to find out the BIOS password without resetting it? Motherboard: GA-B85M-D3V

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5 answer(s)
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GavriKos, 2020-12-28
@GavriKos

You can use the wool socks method. Well, or thermorectal cryptanalysis

1
15432, 2020-12-28
@15432

You can, of course, but not for everyone. You have AMI, for them you can.
Read the BIOS from the OS using the tool https://yadi.sk/d/zfFN1zO2i9vZaA
Then, through the UEFI Tool , find the NVRAM with the settings (AMITSESetup)
Then expand the data in a block

5B 93 B6 26 11 BA 6C 4D C7 E0 22 74 7D 07 D8 9A 33 2E 8E C1 E9 54 44 E8 9F 7B FA 0E 55 A2 B0 35 
0B C9 66 5C C1 EF 1C 83 77 16 D2 A9 2D 3D 88 D0 E3 63 3E F7 99 8A F4 1D 4F B1 AA 44 05 D8 60 6B

Then translate the obtained scancode values ​​into letters and voila, you have a password. It is described in
detail step by step here
https://gist.github.com/en4rab/550880c099b5194fbbf...

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Vladimir Korotenko, 2020-12-28
@firedragon

You need to know the name of the bios.
Look for some engineering passwords or reset programs.
https://bios-pw.org/
There is even online

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kalapanga, 2020-12-28
@kalapanga

Somewhere from the days of DOS and assembler, I recall that once CMOS cells could be accessed through ports 70h and 71h. And find there, among other things, the password (more precisely, its hash). Next, a suitable set of characters was selected. I'm just afraid it's no longer relevant.

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GFX Data, 2020-12-28
@ShockWave2048

If you just need to boot into the system, make a copy of the system disk and boot on another computer. Unless, of course, it's encrypted.

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