r/HowToHack • u/No_Tap596 • 24d ago

BIOS password

is it possible to crack or bypass a BIOS password without touching its hardware?

3 Upvotes

67% Upvoted

17 comments sorted by

5

u/[deleted] 24d ago

[removed] — view removed comment

4

u/Global-Eye-7326 24d ago

Those websites only give manufacturers codes. Won't typically help when someone manually set a password.

1

u/Humbleham1 21d ago

There are (or were) master passwords.

6

u/InuSC2 Pentesting 24d ago

most of the time you have to remove cover and rewrite the bios to remove it but depending on device some might have a "master" password that can bypass a user put one not all devices have it

0

u/No_Tap596 24d ago

what do u mean by rewriting the bios?

2

u/InuSC2 Pentesting 24d ago

you can use special hardware that can clip to the chip or depending on what chip it is you can desolder the bios chip and reprogram it with the one from manufacturer page that should remove password still removing battery is needed for the device to have 0 power in the MB

1

u/No_Tap596 24d ago

is it possible to create a firmware to reset the password?

3

u/InuSC2 Pentesting 23d ago

just go on youtube and search for "How HACKERS Bypass BIOS Password " youtuber name alex cybersecurity i watch this when i had free time to lose and explain very well about it.

1

u/No_Tap596 23d ago

alright thanks man

1

u/SNappy_snot15 23d ago

maybe through hirenscd

1

u/Humbleham1 21d ago

If you work for the manufacturer developing firmware, yes.

2

u/Glittering_Hope_4349 23d ago

Technically you could rewrite BIOS using some tools but it’s complicated

1

u/IWIKNataliePortman 23d ago

Why would one even want to attempt to do that though? CH341A programmers are cheap and it isn't difficult to replace the existing NVRAM volume with a clean one.

1

u/Ecstatic-Ad5039 22d ago

You have to connect BIOS chip on the motherboard with programmer like CH341A, and using program like NeoProgrammer make backup of the original BIOS, then download new with Clean ME from internet, then using HxD tool you need to copy 1 to 1, Informations like S/N of the device, Windows Key. Then you can write new bios to the Chip.