Questions tagged [vt-x]

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

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Intel says my cpu has vt-x but kvm-ok says it doesn't

I just installed Debian 12, downloaded Android Studio and was following this article to enable VM acceleration: https://developer.android.com/studio/run/emulator-acceleration?utm_source=android-studio&...
leftundersun's user avatar
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1 answer
286 views

Horribly unresponsive Ubuntu virtual machine in VirtualBox on Windows 11

I have installed an Ubuntu 22.04 LTS virtual machine into VirtualBox running on Windows 11 host. This is on an Intel Alder Lake CPU with separate performance/efficient cores (2 P-cores with ...
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Is Intel Vt-d actually supported on the ASUS P8P67 Deluxe?

The title is my question but for context, I have enabled Intel Virtualization Tech in the UEFI BIOS on this motherboard and can confirm in my Proxmox hypervisor that IOMMU is enabled (PCI-E pass-...
mooreppj's user avatar
1 vote
1 answer
6k views

Noxplayer not recognizing VT-x Windows 10 with AMD CPU

I installed Noxplayer with Android 12, but I've got an error message "No VT service detected" I've followed all steps from FAQ (https://www.bignox.com/blog/nox-doesnt-recognize-vt-even-if-it-...
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performance issue with Workstation pro and enabling VT on Dell XPS 17

I recently moved from MAC to this very beefy CPS laptop with 64gb of ram and i9 12k processor. However, I noticed a dramatic performance reduction when I moved my VMs from MAC to windows. I decided to ...
reza_679's user avatar
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1 answer
4k views

Virtualization is enabled in BIOS but is not working in Windows 11

I have an Intel i7-9700K, and everywhere keeps saying that virtualization is not enabled. I've checked and it is indeed enabled in the BIOS, but it isn't working in Windows 11 Pro 21H2. The Intel ...
Bananas's user avatar
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1 answer
266 views

Defender Application Guard requires CPU virtualization extensions?

I'm looking at the Defender Secure Score setting "Turn on Microsoft Defender Application Guard managed mode". I found an MS article to understand the requirements. Upon reading the article, ...
Nina G's user avatar
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Android Studio doesn't recognize VT-X while running on Linux VM

So recently i've been trying to install android studio on my Kali linux virtual machine to run some emulators for pentesting. Only problem is that i cant run a emulator in android studio because my ...
Lucas's user avatar
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0 votes
2 answers
804 views

VirtualBox - Linux Mint not starting - VT-x is not available

I am running a Linux Mint virtual machine on Windows 10, and getting the following error: Host system Windows 10 Pro (10.0.19043 Build 19043) Dell G3 with Intel Core i5 10-300H CPU VirtualBox 6.0.24 ...
Al2110's user avatar
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Cannot enable EPT on my i5-6400, can on my i7-6700 on identical OS setup

I have two different computers. The first one has an i7-6700 Skylake processor on an Asus z170-a motherboard running Windows 10 Professional 20H2 x64 The ark page for the processor is here: https://...
Martin Frank's user avatar
2 votes
0 answers
541 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 ...
Muhammad Junaid Khalid's user avatar
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681 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 : ...
AnjK's user avatar
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3 votes
1 answer
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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 ...
noob's user avatar
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-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 ...
Chemist's user avatar
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3 answers
2k views

"VT in BIOS" should i enable them?

Recently, I've downloaded an App name "LDPlayer" which is used for games in my PC " HP EliteBook 840-Windows10 "... when I download this, after installing it want me to enable my &...
MALAIKA AKBAR's user avatar
1 vote
0 answers
266 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 ...
juergen d's user avatar
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3 answers
8k views

I can't find Virtualization on my Bios menu

My laptop Toshiba Satellite AMD-A8 I checked the features of this processor and learned that virtualization is supported on this processor. But I can't find it in BIOS settings Is there any way I ...
Murat Uzunkaya's user avatar
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0 answers
4k views

How to ENABLE VT-x in the BIOS on a desktop remotely?

I'm accessing a Windows 10 desktop which is situated in office remotely from home. I've installed an OS on Oracle VirtualBox and when I run, I'm getting error of - VT-x is disabled. Not in a ...
devPython's user avatar
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0 answers
119 views

Any Alternative way to get Hardware Accelerated AMD-V on windows?

In an attempt to enable AMD-V on the Windows platform in Android studio, I was wondering What will happen if, Firstly we enable virtualization from BIOS Then we turn on WSL (Windows Subsystem for ...
Tuhin Karmakar's user avatar
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0 answers
280 views

VirtualBox Error - VTx is disabled in the BIOS (VERR_VMX_NO_VMX)

this error keeps showing to me when I try to launch a VM, I saw that other people had this issue but I can't find a way to fix it. I went to the BIOS to check is the virtualization was enabled ...
Mateus99's user avatar
0 votes
1 answer
2k views

Problems adding Kali Linux to VirtualBox

I downloaded Kali Linux on Windows 10 on a 64-bit Gateway laptop. I also downloaded VirtualBox so I could dual boot, but after downloading everything, first of all it only shows 32-bit options when ...
Renee White's user avatar
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1 answer
592 views

I enabled vt-x but virtual box only shows 32 bit

I am trying to run ubuntu 16LTS 64-bit on my computer but I come across some problems. When I try to create a new virtual machine, I only get the option for 32-bit operating systems. All information ...
Mark's user avatar
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406 views

Do I need to turn on VT-x in order to make a virtual machine using Oracle VM?

Do I really have to turn on VT-x in BIOS to make a virtual machine? I keep getting the error about VT-x not being turned on but I feel like turning it on could have a negative impact on my computer. I ...
Yokool's user avatar
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0 answers
368 views

Should I enable VT-x on VirtualBox? (32 bit OS)

AFAIK for 32 bit OS, VT-x isnt needed. Besides using 64 bit OS, when should I use VT-x?
Rinaldo Jonathan's user avatar
4 votes
1 answer
8k views

VT-x not available in Windows 10 Pro even though i5-6400 CPU supports VT-X

I have an Intel Core i5-6400 CPU installed on a ASUS Z-170A mainboard. According to the documentation of my CPU, this CPU supports Intel Virtualization Technology (VT-X) and it is listed as ...
VSB's user avatar
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3 votes
1 answer
11k views

Error with Oracle VM VirtualBox: VT-x is not available (VERR_VMX_NO_VMX) [duplicate]

I've recently installed Oracle VM VirtualBox on my Windows 10 computer, and I'm trying to make an Android Virtual Machine. The problem is that when I go to start the VM, it displays the following ...
ComputerUser121212's user avatar
2 votes
1 answer
5k views

Running 32 bit OS on 64 bit OS host without VT-x

I am trying to run a 32 bit OS (Android x86) in VMware Player. It is coming up with the error 'VT-x is not available', even though I have a 64 bit CPU/host OS. Why is this? I am aware that you ...
flumperious's user avatar
1 vote
2 answers
1k views

Binary Translation not working in VMware Workstation 12

Since upgrading my whole PC I am unable to run VMs in Binary Translation mode. VT-x / Intel Virtualisation Technology is enabled in the BIOS however I require Binary Translation for use in Windows ...
mt025's user avatar
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1 vote
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Win 10 system_service_exception and BSOD after enabling virtualization (vt-x) in BIOS

NOTE: Question answered below... I want to enable Intel Virtualization Technology via the updated bios of my ASUS ROG STRIX Z270I motherboard, but each time I enable it, windows crashes to blue ...
mjblay's user avatar
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5 votes
3 answers
14k views

VirtualBox VERR_VMX_NO_VMX

I downloaded VirtualBox, knowing that my computer has VT-X, and I just created two VMs, but when I started them, I saw this error: VirtualBox - Error Failed to start the virtual machine ...
JustAnotherBitcoin's user avatar
9 votes
1 answer
11k views

Is there a technical reason for Intel VT-x being disabled by default on some motherboards?

Intel VT-x is an instruction set that facilitates virtualization. From Wikipedia The CPU flag for VT-x capability is "vmx" [...] "vmx" stands for Virtual Machine Extensions, which adds ten new ...
robertspierre's user avatar
2 votes
1 answer
16k views

VirtualBox - How to solve "VT-x not available" when VT-x is turned on in BIOS? [duplicate]

I have a VirtualBox that was working before I installed Docker for windows. Now when I try to open a VM (64bit) that was working I get the follow error: VT-x is not available (VERR_VMX_NO_VMX). ...
IgorAlves's user avatar
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1 vote
1 answer
2k views

How can i prevent a host BSOD when booting a VirtualBox machine?

Immediately upon starting a VirtualBox Machine on Windows 10, the host OS crashes with a blue screen of death saying 'SYSTEM SERVICE EXCEPTION'. I have Docker for Windows installed and active as well. ...
Joseph Tanenbaum's user avatar
1 vote
1 answer
69 views

Windows 10 date and time malfunctioning after VT-x is enabled

I enabled VT-x from BIOS to run some android emulators. Everything seems fine, but then each time I started my computer after some down time, the clock in Windows 10 is not showing the right time. The ...
Haochen Wu's user avatar
3 votes
0 answers
1k views

Intel Virtualization Technology (VT-x) just won't turn on

I set the VT-x = enabled in BIOS and still Intel Processor Identification Utility reports that VT is not available. VirtualBox refuses to show options for 64-bit OS as well. My processor clearly ...
Shital Shah's user avatar
-1 votes
1 answer
4k views

Can't find "Virtualization Technology VT-x" option in BIOS

I want to use KVM but I can't find the "Virtualization Technology VT-x" option in my BIOS to enable it; although I checked that my processor supports VT-x and I also checked with the "kvm-ok" command (...
NSD's user avatar
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0 votes
1 answer
2k views

Does H170 Pro Gaming motherboard support VT-x?

I have an Intel Core i5-6600 and I know this supports VT-x, but I don't know if my H170 Pro Gaming motherboard supports VT-x. I found VT-d in the BIOS but I can't find VT-x anywhere.
IcecreamSwirlys's user avatar
167 votes
14 answers
440k views

VT-x is not available, but is enabled in BIOS

Recently I started having an issue with VT-x on my Windows 10 running on HP EliteBook. I was using Oracle VirtualBox to run some VMs on it before and VT-x was enabled in BIOS and was working fine. I ...
SergeyOvchinnik's user avatar
1 vote
0 answers
980 views

Windows Features can't enable Hyper-V - Error 0x80070057

So it won't let me enable Hyper-V Platform, I could enable Hyper-V Management Tools though. I get the following message on Windows Features. Windows couldn't complete the requested changes. ...
Indrz's user avatar
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0 votes
1 answer
2k views

How can I run 32-bit Debian on Virtualbox if the CPU doesn't support VT-x?

How can I run 32-bit Debian (modified by ArchiveTeam) on Virtualbox if the CPU doesn't support VT-x? I'm getting an error when starting virtual machine on VirtualBox, I also tried it on VMWare player,...
Rudolph's user avatar
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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 ...
racemi's user avatar
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4 votes
2 answers
17k views

Android-Studio - AVD: Your CPU does not support required features (VT-x or SVM)

I'm having a machine with AMD Phenom II X4 955 running currently Windows 7 x64 SP1. Virtualization is activated under the Advanced CPU Settings in BIOS. But when I want to add a device to the AVD it ...
dun's user avatar
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2 votes
1 answer
13k views

Cannot disable VT-x in VirtualBox

Recently I was asked to deploy a scientific software packaged as a VirtualBox image (OVA format). I prepared the environment (Debian 7) - installed required packages, enabled DKMS, imported the image -...
Aleksandr Blekh's user avatar
0 votes
1 answer
730 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: ...
Jonny Wright's user avatar
3 votes
2 answers
2k views

VT-x not working anymore in VirtualBox

I have just found out that VT-x is not working anymore on my Windows 10 host in VirtualBox 5.0.14. Trying to boot one of my x64 guests now causes a "VT-x is disabled in the BIOS for both all CPU ...
alessandro1997's user avatar
1 vote
0 answers
2k views

Hyper V Server not starting

I have setup a computer running windows server 2012 Datacenter R2, however after adding the Hyper V Roll I still cannot start a Virtual Machine on the Server. I am told in the error message that the ...
Lightning77's user avatar
3 votes
1 answer
71k 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 ...
Al00X's user avatar
  • 51
2 votes
0 answers
738 views

Intel-VT not enabled in BIOS on acer laptop V3-772G

Yesterday i purchased Acer Laptop V3-772G and increased RAM just for the sole purpose of using this beast for Virtualization but when i tried to install 64-bit OS it slapped me with VT error. So i ...
OmiPenguin's user avatar
-1 votes
2 answers
433 views

How to enable enable Hyper-V?

My laptop running Windows 10 Home edition. Its processor is an AMD A6-4400M APU with Radeon HD Graphics, DirectX version 11.2. In BIOS CPU VT(VT-x) is supported and NX bit enabled. But I couldn't see ...
Mirjalal's user avatar
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4 votes
3 answers
8k views

CPU-Z does not recognize the support of VT-x in Windows 10?

My CPU does support VT-x. In Windows 7 before when I run CPU-Z it showed the VT-x in the Instructions list. But now after I upgraded to Windows 10, when I run CPU-Z it does not show VT-x in the ...
Hopeless's user avatar
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