If the BIOS detects the TPM but Windows does not, the driver stack may be corrupt.
Let’s be honest: The Dell Vostro 5568 was a mid-range business laptop from 2016–2017. Its TPM implementation was never meant to be “extra quality.” It was meant to be “good enough for corporate compliance.” dell vostro 5568 tpm device not detected extra quality
However, with the right BIOS (1.10.0), a full power drain, and the Dell-specific PPI driver, the phantom TPM can be tamed. Once detected, the Vostro 5568 handles BitLocker encryption without performance drops and passes Windows 11’s compatibility check with flying colors. If the BIOS detects the TPM but Windows