What exactly means Virtual Machine Extensions (VMX) not present?

RudiFreiberg

New Member
Hello,
I have a problem with a brand new laptop with a processor i7-11390H, Windows 11 64bit and Oracle VirtualBox.
HwInfo told me, that VMX is not present, VT-x is enabled and I could not operate a virtual platform regardless of whether it is a new or imported platform.
All my other computers supports this feature (VMX) in hwinfo an has no problem with VirtualBox at no time.
The problem with the VM's is they always restart or I get constant a bluescreen. The eventlog says in the most cases "Kernel power".
Have ervyone a idea?
RudiFreiberg
 

Martin

HWiNFO Author
Staff member
If VMX is enabled in BIOS and not reported by HWiNFO then it might be because another Hypervisor is active in the system (like Hyper-V) which is masking this flag.
 
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