Windows 11 Trying to Enable Encryption: Device Encryption Support Says "Un-allowed DMA capable bus/devices detected"

  • Thread starter Thread starter caspiande
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caspiande

Hello,I am trying to enable Bitlocker encryption on some of my drives. However, I am running into some problems. When I try to turn on Bitlocker in my settings, I get the "Failed to open the BitLocker control panel tool. Error code: 0x800004005" message. I went into my system info to see if my device has the "Meets Prerequisites" on Device Encryption Support, however it says "Reasons for automatic device encryption: Un-allowed DMA capable bus/device(s) detected" and I'm not sure how to proceed from there.I've seen elsewhere that I need to have TPM enabled in BIOS, which I do. I am also current

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