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Questions tagged [vt-x]

VT-x is an x86 processor extension specific to Intel microprocessors, It provides hardware acceleration to common virtualized tasks.

2 votes
2 answers
17k views

How to enable VT-x on ASUS K53SV?

I'm trying to install Intel HAXM (Hardware Accelerated Execution Manager). However, during installation, I get an error saying that VT-x is not enabled. As you can see, the image below proves the ...
18 votes
1 answer
215k views

What is the EFI shell?

My BIOS offers me the option to launch an EFI shell, but I have no idea what that is. Does it allow me to turn on CPU flags like VT-x or something similar? Why would I want to use it?
4 votes
1 answer
12k views

What is difference between VMX and VT-x?

lscpu commands gives me Virtualization: VT-x but it also gives:- Vulnerability Itlb multihit: KVM: Mitigation: VMX disabled I searched google and found out that I have to enable ...
3 votes
1 answer
74k views

VMWare Workstation - this host supports Intel VT-x

i have Ubuntu 64bit Boot disk , i configured everythihng in VMWare , created virtual machine .... and when i power on the virtual machine , there is a black screen with VMWare Logo on it and loading ...
74 votes
9 answers
379k views

How do I enable VT-X?

I'd like to provide a guest OS with multiple CPUs in VirtualBox. My host machine is a quad core HP Compaq and uses the Intel Core 2 vPro hardware. However, when I try to enable the setting in vbox, ...
2 votes
0 answers
566 views

virtualization technology in bios is enabled but hyper v is saying it's disabled

I am using core i5 2520M CPU with 8GB DDR3 RAM. I am using Windows 10 pro 20H2 64-bit. I have enabled the Virtualization Technology in BIOS but while enabling Hyper-V it is saying that virtualization ...
30 votes
3 answers
138k views

VT-x error when setting up VirtualBox on Ubuntu

I have tried to setup VirtualBox on Ubuntu, but I get this error even though Intel virtualization technology (VT-x) is set to Yes in the BIOS: Failed to open a session for the virtual machine Ubuntu....
1 vote
4 answers
19k views

Does disabling VT-x enhance stability/performance?

Currently I don't have much need for virtualization. Anecdotally, my friend's old computer had BSODs a few times a week, but after disabling VT-x the BSODs didn't appear anymore. In general, will ...
0 votes
0 answers
703 views

How to enable the hardware virtualization of a HP Probook 4431S laptop in BIOS properly?

I have an HP Probook 4431s laptop. Installed Windows 10 Pro on it. Device specification is: Manufacturer/Model : HP ProBook 4431s Notebook PC (ENERGY STAR) System type: X64 based PC Processor : ...
0 votes
1 answer
738 views

Can't install Intel HAXM with i5-6260U - apparently it doesn't support VT-x?

I'm trying to install Intel Hardware Accelerated Execution Manager (HAXM) for improved virtual Android devices. Taken from the this page, the hardware requirements are; Hardware Requirements: ...
5 votes
3 answers
21k views

How to detect if VT-X has been turned on in the BIOS?

I know I can check is VT-X is supported by a processor by egrep '(vmx|svm)' /proc/cpuinfo. But even if it's supported, it can be turned off in the BIOS. How can I detect if it's turned on or off?
-1 votes
1 answer
1k views

Enable VT-x without going through BIOS

I had set an admin password in bios for security purposes, before setting it, I had disabled VT-x, UEFI booting, and booting from external media. Unfortunately, I forgot the password, also it's ...
2 votes
3 answers
7k views

VT-x enabled in BIOS, but disabled in Windows 10 [duplicate]

I'm tryting to run NOX app player but show warning message Virtualization is off and in task manager the vt-x is indeed disabled. I already enabled it in BIOS and i don't have AVAST antivirus to ...
7 votes
1 answer
43k views

How to run virtual machine when my processor does not support virtualization?

I am using Windows XP 32-bit and have an Intel Pentium M 725 processor. I used a software tool from Intel to check whether virtualization is allowed: Supporting advaced Intel processor technologies ...
1 vote
0 answers
299 views

Running Windows 7 virtual machine without VT-x [closed]

I have a Laptop with Intel Core i7-8665U processor running Windows 10. I need a Windows 7 virtual machine. I tried VMWare Player. It says that I need to activate VT-x in the BIOS. Since this is a ...

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