http://dds6qkxpeiqvogt4y2fd7vtsxq6pvokekb2h4la7jd4iwl4ljuawu5qd.onion/wiki/KVM
The reasons are either/and/or: A) it is controlled by another hypervisor running on the system, B) an anti-virus suite or C) it is not present/enabled by the machine BIOS. To check, go to your BIOS settings. For basic instructions, see: How to Change Computer BIOS Settings . Then enable VT-x . This is sometimes also called AMD-V , virtualization , SVM mode or MIT perhaps under Advanced Core settings.