If the error persists after a hard power drain, a complete BIOS factory reset, and a firmware re-flash, the physical chip or the trace lines on the motherboard may have suffered a hardware degradation. In these rare instances, replacing the motherboard or utilizing an external hardware security key would be the remaining alternative.
Are you trying to install , or did this error happen suddenly on your current OS? dell vostro 5568 tpm device not detected extra quality