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neb



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# 251526 29-Jun-2019 12:49
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Asking for a work colleague: Their ex-work laptop, an older Lenovo Carbon X1, has just come up with a tamper switch error, which means you need to enter the BIOS supervisor password to continue. However the password was set by an admin who left long ago, so no-one knows it. According to Lenovo, this requires a motherboard swap to fix, which means tossing the whole laptop since it's an older model. Presumably there's a non-official way to do this, does anyone know it?

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Mad Scientist
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  # 2266795 29-Jun-2019 13:01
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I have seen websites that claim to have masterpasswords for BIOSes of different laptops. 

 

No idea if they will work or not.





Swype on iOS is detrimental to accurate typing. Apologies in advance.


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  # 2272077 8-Jul-2019 21:31
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There isn't a master password opportunity for late model Lenovo laptops.

 

You're going to need an SPI Flash Programmer to dump your existing locked BIOS, then a bit of assistance to clean it before you upload the unlocked dump. Now you can enjoy unlocked Lenovo Carbon X1. 





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neb



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  # 2272493 9-Jul-2019 16:49
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1024kb:

You're going to need an SPI Flash Programmer to dump your existing locked BIOS, then a bit of assistance to clean it before you upload the unlocked dump. Now you can enjoy unlocked Lenovo Carbon X1. 

 

 

Ugh, I was afraid it was going to be something like that, which is a bit above my pay grade. Or at least I'd give it a go, but I may fry the thing. The Russians claim you can bypass the password by shorting out one or more pins on the SPI flash at boot, but that also sounds like a one-shot-is-all-you-get approach...

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