It is possible that your device does not support the TPM.
I also checked the HP website and support for the TPM wasn't listed there:
https://support.hp.com/us-en/document/c04731368
TPM 2.0 BIOS HP Notebook - 15-ac026tx
Dear All,
TPM options are missing in the security tab of the BIOS. I am using HP Notebook - 15-ac026tx.
I want to enable the TPM 2.0. Please Please help.
Thanks & Regards,
Akash
Windows for business | Windows Client for IT Pros | User experience | Other
2 answers
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Reza-Ameri 17,341 Reputation points Volunteer Moderator
2021-07-04T15:32:37.523+00:00 -
Teemo Tang 11,471 Reputation points
2021-07-05T01:43:52.477+00:00 You need to check your device’s Product Specifications in HP official website, if this kind of product itself doesn’t have TPM chip, you do can’t see it in BIOS.
I search in HP website https://support.hp.com/ie-en/document/c04731368and and HP community, no sources say HP 15-ac026tx has TPM 2.0 support-------------------------------------------------------------------------------------
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