HPE ProLiant Gen10 - Cannot Execute Option ROM for One or more Devices; Cannot Find a New Network or Storage Device in the Boot Order List; Intel TXT Is Not Working Properly

Cannot execute Option ROM for one or more devices
Symptom
You cannot execute Option ROM for one or more devices.
Cause
The amount of available Option ROM space has been exceeded.
Action
1. Disable any unnecessary option ROMs (such as PXE).
2. Retry the procedure.
Cannot find a new network or storage device in the Boot
Order list
Symptom
You connected a network or storage device, and it does not appear in the Boot Order list.
Cause
Newly-added devices do not appear in the boot order list until you reboot the system.
Action
1. Reboot the system.
2. Verify that your device appears in the Boot Order list.
Intel TXT is not working properly
Cause
One of the prerequisites may not be enabled.
Action
• Verify that the prerequisites are enabled:
◦ All Intel processor cores
◦ Hyperthreading
Cannot execute Option ROM for one or more devices 137