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VT-d and VT-x not working, but set in BIOS

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HP ZBook 15 G4
Microsoft Windows 10 (64-bit)

I’m trying to get VT-x (and VT-d) to work on my HP ZBook 15 G4 (Intel Core i7-7820HQ). I saw discussion about similar case here:


I’ve already done following tricks without luck:

  • BIOS updated to latest version 01.18, 20.3.2018
  • Deep sleep turned off (BIOS)
  • Hyperthreading turned off (BIOS)
  • Of course, VTx and VTd turned on (BIOS)
  • Installed SP80322 (Conexant)
  • Installed newer version than sp81835 (Synaptics Touchpad)

But still regarding Intel Processor Identification Utility “Intel VT-X with Extended Page Tables” is “No” (and I cannot get Virtualbox working correctly).



  • Win10 cumulative update 1709 was installed before I started working with Virtualbox and these VTx/VTd-related things.
  • I’ve also tried tried to disable Hyper-V from cmd/PowerShell and also install/uninstall it to be sure that it has been uninstalled.
    • bcdedit /set hypervisorlaunchtype off
    • Disable-WindowsOptionalFeature -Online -FeatureName Microsoft-Hyper-V-All
    • dism.exe /Online /Disable-Feature:Microsoft-Hyper-V-All



What I could try next?




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It probably doesn't make you feel any better but I'm suffering the same problem and did exactly as you did below.


I tried with the latest BIOS ... 01.22 Rev.A, Jun 12, 2018


I got this very nice workstation-class machine that I can't install VMs on - I tried with Virtualbox and VMWARE.


This makes it pretty useless for my purposes.


Any help, suggestions gratefully accepted.







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I've the same issue. This is bothering me for a long time.

No way to install android emulator.

VT-x is certainly enabled in BIOS, however, intel processor information app shows it's not.

I also disabled Hyper-V in many different ways and restarted many times, didn't help.


So frustrating that such a high-end zbook has this kind of issue.




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