To recover from this issue, confirm the following:
HP provides various tools to change BIOS settings that include the following:
To confirm the PCR bindings, use the following command from an administrative command prompt:
manage-bde -protectors -get c:
Confirm the following settings in the PCR Validation Profile:
Option 1: Confirm the VTx, VTd, and DMA Protection settings in
HP Computer Setup (F10):
-
Turn on or restart the computer.
-
Immediately, press
F10 to enter
HP Computer Setup (BIOS).
-
Select
Security.
-
Locate the
Virtualization Technology (VTx) option, and then select the checkbox.
-
Locate the
Virtualization Technology for Directed I/O (VTd) option, and then select the checkbox.
-
Locate the
DMA Protection option, and then select the checkbox.
- Restart the computer.
note:
If Trusted Execution Technology (TXT) is enabled in F10 BIOS settings, it must be disabled before you can enable VTx and VTd in option 1 or 2.
note:
The VTx and VTd settings MUST be enabled for Option 1 or 2.
Option 2: If the DMA Protection required to be disabled or the device does not have DMA protection settings, ensure that the Thunderbolt Security level is set to any value except
No Security.
Thunderbolt Security Level
-
Turn on or restart the computer.
-
Immediately, press
F10 to enter
HP Computer Setup (BIOS).
-
Select
Advanced >
Thunderbolt Options.
-
Locate the
Thunderbolt Security Level drop-down menu.
-
Select the
PCIe and DisplayPort-User Authorization option.
-
Restart the computer.