Windows 10: Hyper-V not showing up in the features

hello I have a problem with Hyper-V not showing up in the features.I have virtualization enabled on the bios.I tried even on the powershellas administrator with the commandEnable-WindowsOptionalFeature -Online -FeatureName Microsoft-Hyper-V -AllBut got this error:Enable-WindowsOptionalFeature : The Microsoft-Hyper-V feature name is unknown.In riga:1 car:1 + Enable-WindowsOptionalFeature -Online -FeatureName Microsoft-Hyper-V ... + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + CategoryInfo : NotSpecified: : [Enable-WindowsOpti

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Hyper-V not available.

In my list of Windows Features Hyper-V is not showing up.

 

Hyper-V

That's the problem that I cannot find Hyper-V in Windows Features list, hence I am not able to turn it on or off.

 

Hyper V deativication

Hi Geoffrey,

Hyper-V lets you run an operating system or computer system as a virtual machine on Windows. Before proceeding in disabling
Hyper-V, please create a backup of your files for security purposes.

To disable Hyper-V, please follow the steps below:

• On the Cortana search box, type Turn Windows Features on or off and press
  Enter.
• Look for the Hyper-V folder.
• Uncheck the tick-box next to the main Hyper-V folder and click
  OK.
• Restart your PC.

Should you have further questions, please let us know.