enable ( re-enable ) hyper-v on my HP notebook enterprise w10 insider preview

enable ( re-enable ) hyper-v on my HP notebook enterprise w10 insider preview

this frustrated me for a couple of hours

I enabled the VT in BIOS, but
https://blogs.technet.microsoft.com/heyscriptingguy/2015/03/30/use-powershell-to-detect-if-hypervisor-is-present/

 (gcim Win32_ComputerSystem).HypervisorPresent

still show false

so , I removed the hyper-v role

reboot

viola ....  (gcim Win32_ComputerSystem).HypervisorPresent returned true

install hyper-v role again ... good

now install kali linux as hyper-v VM