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1 Rookie
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6
July 15th, 2026 23:32
Need the bios driver update
I need the latest driver update so I can enable IOMMU in Bios
Dell article 000387773 = TPM Attestation Failure on Dell Computers
Please provide me the download link.
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anne_droid
5 Journeyman
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1.8K Posts
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7K Points
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July 16th, 2026 10:02
Hi
I suggest 2 searches within the DELL database....
The first to see if your device is listed as suitable, and the second "Attestation Failure" / "IOMMU" will list previous posts and potential solutions.
Please can you confirm the Make Model and OS, along with any configuration details like touch screen, backlit keyboard, SFF or tower etc etc.