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Enter the BIOS settings menu, and go to the Advanced tab. Make sure you have an option titled Intel Virtualization Technology and make sure it's enabled. If it's not enabled, select it by using up (↑) and down (↓) arrow keys, and press the plus (+) or minus (-) key to change the value to Enabled. Also, if you have an option titled VT-d, be sure to enable ...


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I just had the same problem with Hyper-V being able to host 64bit systems, while on the same machine VirtualBox wasn't. The issue is that the Hyper-V service occupies VT-X right after startup, hence no other service (like VirtualBox) can claim it. The only way I found to resolve the issue was by completely removing the entire Hyper-V feature through the ...


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If you don't need it, disabling it via the BIOS is fine. In terms of stability, having it enabled or disabled shouldn't hinder/benefit the stability/performance of a PC. If you're not using software that is making use of virtualization, it should not affect performance. Are you sure your friend didn't make other changes in the BIOS in order to try and fix ...


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I realized that Hyper-V was enabled in my system, so I disabled it and everything worked normally. All the aforementioned tools are now reporting VT-x as enabled.


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VMWare, for example, was around before hardware virtualization was common on desktop computers. So was QEmu as another example. What happens here is that VMWare/QEmu would emulate the virtual CPU and hardware, instead of virtualizing it. This is much slower. Neither VMware nor QEmu currently support running on a system without hardware virtualization (I ...


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I have the same morherboard and core i5 4400 proc and I had the same issue. I solved it by disabling Hyper-V. Its not possible to run Hyper-V alongside Virtualbox.



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