If the TPM doesn't appear under "Security" in the BIOS, it might be listed under a different name or disabled at the firmware level. Restart and tap to enter BIOS. Intel Platform Trust Technology (PTT)

If the BIOS sees the TPM but Windows does not, or if the error persists intermittently, you need to reset the driver stack.

Dell Vostro 5568 Tpm Device Not Detected Extra Quality

If the TPM doesn't appear under "Security" in the BIOS, it might be listed under a different name or disabled at the firmware level. Restart and tap to enter BIOS. Intel Platform Trust Technology (PTT)

If the BIOS sees the TPM but Windows does not, or if the error persists intermittently, you need to reset the driver stack.

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