Windows 10: A hypervisor has been detected yet hyper-v can not be enabled since SLAT capabilities

Discus and support A hypervisor has been detected yet hyper-v can not be enabled since SLAT capabilities in Windows 10 Gaming to solve the problem; Hi,I am trying to enable hyper-v in windows 10 Pro v:21H2 Build 19044.1706 with feature pack 120.2212.4170.0which is running inside of virtual box on... Discussion in 'Windows 10 Gaming' started by LukeButters, Jun 14, 2022.

  1. A hypervisor has been detected yet hyper-v can not be enabled since SLAT capabilities


    Hi,I am trying to enable hyper-v in windows 10 Pro v:21H2 Build 19044.1706 with feature pack 120.2212.4170.0which is running inside of virtual box on an ubuntu host.This is all running on a AMD Ryzen 5950x with the following CPU flags:fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm constant_tsc rep_good nopl nonstop_tsc cpuid extd_apicid aperfmp erf pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm

    :)
     
    LukeButters, Jun 14, 2022
    #1
  2. lolmaus Win User

    Struggling to enable Hyper-V on Windows 10 with AMD Ryzen: "A hypervisor has been detected"

    • Gigabyte Aorus X470 Gaming 7 WIFI
    • AMD Ryzen 2700X
    • Windows 10 64-bit v. 1903
    • BIOS F31
    • AMD Chipset driver v. 19
    I have enabled SVM in the BIOS (which is a Gigabyte term for virtualization). I have installed Hyper-V in Windows features.

    I'm running msinfo32 and expect to see four items related to Hyper-V. Instead, I see: "A hypervisor has been detected. Features required for Hyper-V will not be displayed."

    How do I enable Hyper-V??

    PS My goal is to run Docker natively, without VirtualBox. When I try to setup Kinematic, it says:

    A hypervisor has been detected yet hyper-v can not be enabled since SLAT capabilities E3bVRQE.png
     
    lolmaus, Jun 14, 2022
    #2
  3. VimsShek Win User
    Even after Uninstalling Hyper-V - msinfo32 shows "A hypervisor has been detected"

    Hi,

    I'm running into a weird issue on my Lenovo Z51 laptop. Its equipped with an intel i7 processor and is running Windows 10 Pro (Build 14393).

    I had Hyper-V installed on this laptop with all kinds of VMs running for a while. Then I got a VMware license and decided to uninstall Hyper-V. I uninstalled Hyper-V by going to "Turn Windows Features on or off", unchecking all options under Hyper-V and
    then rebooting the machine on the prompt. After the reboot, I installed VMware but when I try to start the VMs, it gives me an error that Hyper-V is still running.

    In the "Turn Windows Features on or off", the box for Hyper-V is unchecked. However, when I look at msinfo32 it still says>>

    "A hypervisor has been detected. Features required for Hyper-V will not be displayed."

    Coreinfo.exe says the same thing:

    Intel(R) Core(TM) i7-5500U CPU @ 2.40GHz

    Intel64 Family 6 Model 61 Stepping 4, GenuineIntel

    Microcode signature: 00000021

    HYPERVISOR * Hypervisor is present

    VMX - Supports Intel hardware-assisted virtualization

    EPT - Supports Intel extended page tables (SLAT)

    I did a lot of hunting and already tried the below assuming some corruption:

    "SFC /scannow" & reboot,

    "dism /online /Cleanup-Image /RestoreHealth" & reboot

    "bcdedit /set hypervisorlaunchtype off & reboot

    None of these worked.

    Why does it say the hypervisor is present when I have uninstalled Hyper-V ? What can I do to fix this and run VMware ?
     
    VimsShek, Jun 14, 2022
    #3
  4. fjk61011 Win User

    A hypervisor has been detected yet hyper-v can not be enabled since SLAT capabilities

    Build 14316. Hyper-v Hypervisor greyed out.


    Tried Powershell: Enable-WindowsOptionalFeature -FeatureName Microsoft-Hyper-V-All -Online

    as suggested by kebero. Success
     
    fjk61011, Jun 14, 2022
    #4
Thema:

A hypervisor has been detected yet hyper-v can not be enabled since SLAT capabilities

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