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03-10-2019

NC

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  • Posts: 1
  • Registered: ‎03-10-2019
  • Location: NC
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Thinkpad x1 extreme - Un-allowed DMA

2019-03-10, 12:02 PM

On my new Thinkpad X1 Extreme, I can't activate Bitlocker "automatic mode" as it should be with Windows 10 Pro 1809.

I have a fully operational TPM 2.0:

 

But as shown in system information, it's due to "Un-allowed DMA capable bus/devices(s) detected":

 

With Vantage, I made a full update of the system, so I belive BIOS and everything is up to date.

 

Is there a way to correct what Windows thinks is a DMA threat ? Somethink else to update ?

 

Thank you.

 

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