ThinkPad X1 Carbon Yoga 2nd generation VT problem

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Hello,

I recently got a new ThinkPad X1 Yoga 2nd gen.

From two days I'm trying to get 64bit VM Guest option supported in VirtualBox.
VT is Enabled but still it's not working.

Today I decide to go ahead and install 32bit VM with Linux,
but the installation is basically restarting the laptop.

Which leads me to be leave that the VT is not started at all even if it's Enabled inside the BIOS settings.

Here are my parameters:
Host OS: Windows 10 Enterprise
CPU: i5-7300
RAM: 8GB