: Solutions range from simple power cycles to complex motherboard replacements, with community members often finding Dell's official support responses (suggesting paid motherboard swaps for out-of-warranty units) unsatisfactory. Firmware Glitch vs. Hardware
If a TPM device is listed in Device Manager but with an issue:
This is the most successful fix for the Vostro 5568 specifically. It clears volatile memory that may be retaining a corrupted TPM state.
To resolve the issue, the following recommendations are made: