How to Configure the Trusted Platform Module (TPM) When It's Greyed Out in BIOS on a Latitude 7350

This article describes a TPM issue for the Latitude 7350 where the enable option for the TPM is greyed out in the BIOS.

Example of what this issue looks like in the BIOS:

Steps to Disable PTT in the BIOS to Enable TPM Security:

1. Tap the F2 key when the Dell logo appears to enter the BIOS
2. Expand the "Security" section, click "PTT Security", and deselect Intel Platform Trust Technology
   NOTE: If PTT is greyed out as well, re-enable PTT by disabling Intel Trusted Execution under Virtualization Support.
   
   

• Click Apply and Exit to reboot
• On reboot, tap the F2 key when the Dell logo appears to re-enter the BIOS
• Expand the "Security" section, click "TPM Security", and select TPM Security
• Click Apply and Exit to reboot into the Operating System and enable BitLocker

Recommended Articles

Here are some recommended articles related to this topic that might be of interest to you.

• Intel Platform Trust Technology(PTT)
• TPM Firmware Downgrade to TPM Version 1.2 Fails with Error "Update FAILED: Invalid source version"
• Activating the Trusted Platform Module Security Feature