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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.

167 votes
14 answers
445k 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
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, ...
Joel Martinez's user avatar
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....
user2676140's user avatar
  • 2,105
22 votes
3 answers
15k views

Intel VT-x disappeared after upgrading to Windows 8

I've upgraded to Windows 8 some weeks ago (MSDNAA!) and today, while I was trying to run a VM, I've noticed that VT-x is disabled. Now, Hyper-V works without problems, as I've tried emulating Win7 ...
StepTNT's user avatar
  • 452
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?
Flame_Phoenix's user avatar
10 votes
2 answers
28k views

Why does HP recommend that I keep Hardware Virtualization off?

I have an HP desktop, and I wanted to install VirtualBox, so I could run an XP VM (gotta test stuff in IE8). Before setting this up, I went into my BIOS to check if Hardware Virtualization was on. I ...
gen_Eric's user avatar
  • 284
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
8 votes
4 answers
16k views

Error "VT-x/AMD-V hardware acceleration not available on your system" while trying to run Virtualbox

I have to run Mac OS on virtual box for a class and it keeps giving me errors stating "VT-x/AMD-V hardware acceleration not available on your system. Certain guests (e.g. OS/2 and QNX) require this ...
Ashley's user avatar
  • 101
8 votes
1 answer
7k views

Unable to boot Ubuntu 64-bit in Virtualbox on Mac OS X

I have latest generation Macbook Pro 7.1 (Intel Core 2 Duo) running Mac OS X 10.6.6. I installed Virtuabox 4.0.2 and tried to boot Ubuntu 10.10 64-bit iso. The boot options screen from the live CD ...
Aamir's user avatar
  • 295
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 ...
Santhosh's user avatar
  • 719
7 votes
2 answers
18k views

VT-X option not available in BIOS even if Intel Core supports VT-X

Im trying to speed up an android emulator using VT-X but there is no VT-X options in my BIOS. Even worse, my BIOS is almost empty! There is only the change password, which way to boot, information and ...
Snipe_and_Swipe's user avatar
6 votes
2 answers
15k views

Intel Virtualization Technology and VT-X won't work in Windows 8.1

I am trying to run an x86 Android Virtual Device using Intel Virtualization Technology and VT-X. These features are required for the emulator to run correctly. However, I can't seem to get it to work. ...
Soma Deáki's user avatar
6 votes
4 answers
2k views

does it make sense to disable processor technologies I don't use? (virtualization etc)

In my server bios I've found such technologies: Intel Virtualization Technology Intel VT-d I don't use them as I don't use virtualization. I'm using server for HFT trading and so I want to "win" ...
Oleg Vazhnev's user avatar
6 votes
1 answer
9k views

Installing Intel HAXM inside VirtualBox

I'm trying to install Intel Hardware Acceleration Execution Manager in a Windows 7 guest using VirtualBox. When I run intelhaxm.exe to install it, I get the following error: This isn't true, because ...
Matías Fidemraizer's user avatar
5 votes
1 answer
941 views

Does VT-x really need bios support?

I have an old laptop with Core Duo (not Core 2). The CPU supports VT-x but the bios doesn't. (And never, no more BIOS update) Does VT-x really need BIOS support? Can we do it with a Linux kernel ...
Tatsuyuki Ishi's user avatar
5 votes
1 answer
8k views

How to enable VT-X when its hidden in BIOS

I have a Gateway LX6810-01 with a Intel Core TM2 Quad CPU Q8200 processor. I would like to enable VT-X so I can have 64 bit virutalization but the BIOS has hidden the option. I checked for a BIOS ...
Meyer Denney's user avatar
5 votes
2 answers
6k views

Hyper-V enable vt-x for guest in guest

Is it possible to enable vt-x for a Hyper-V guest? I need to run a 64 bit guest inside of a 64 bit guest.
markdevilliers's user avatar
5 votes
1 answer
49k views

What is VT-x? Why it is not enabled in few machine by default

While installing Virtual machine I am getting error that VT-x is not enabled so I am not able to continue install Virtual OS. So What is VT-x? How to enable it? By enabling will cause performance ...
Sasikumar Murugesan's user avatar
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?
Petr's user avatar
  • 3,173
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
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
  • 285
4 votes
3 answers
42k views

How to enable Intel VT-x?

I have a CLEVO w150erm, with a i7-3610QM processor, which supports Intel VT-x. However in order to use it I have to activate that option in the BIOS (or so that's what I believe) but I simply can't ...
Flame_Phoenix's user avatar
4 votes
1 answer
16k views

Enable VT-x in HP 8300 elite

I have a HP 8300 elite (Intel(R) Core(TM) i7-3770 CPU @ 3.40GHz). I'm trying to run a virtual machine via VirtualBox. But every time I start the VM, it says: VT-x is disabled in the BIOS. (...
lang2's user avatar
  • 2,282
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
  • 263
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
  • 329
4 votes
1 answer
7k views

Does my motherboard support Intel VT-d? [duplicate]

I am trying to enable Intel VT on my machine. My processor is the i7-3610QM and it supports Intel VT-x, but I don't know if my motherboard (Clevo W150ER) supports Intel VT-d. How can I find out if ...
Flame_Phoenix's user avatar
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 ...
noob's user avatar
  • 41
4 votes
8 answers
6k views

Virtual PC and hardware-assisted virtualization (VT-x) problem

I've installed Microsoft's Virtual PC on Windows 7, but when I try to start a virtual machine I get the following error message: <Virtual machine name> could not be started because hardware-...
user avatar
4 votes
3 answers
40k views

VT-x enabled in BIOS, but disabled in Windows 7

I've been running VMWare Workstation 11, with 32 & 64-bit guests just fine but I haven't run in in a few months. I tried starting it up again and I get: Blockquote Binary translation is ...
SDMark's user avatar
  • 130
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 ...
Al00X's user avatar
  • 51
3 votes
1 answer
1k views

Does VMWare workstation 10 support VT-X passthrough and if so, how can I enable it? [closed]

I want to run Cuckoo inside a VMWare Workstation virtual machine together with Virtual Box (also running within a virtual machine). Is there a way to enable VT-X passthrough so Virtual Box can also ...
Lucas Kauffman's user avatar
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
3 votes
1 answer
13k views

Virtualbox and getting the Locked VT-x Error when trying to use more than 1 processor on the session

I have installed the latest version of virtualbox onto my Hewlett Pakard (h8-1170uk) I have a intel i7 2600 cpu and 8 gb of ram I can get virtual box to create several sessions of different operating ...
Dave's user avatar
  • 31
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
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
3 votes
1 answer
4k views

How to enable Virtualization technology in Samsung Chromebox

I need to enable Virtualization Technology (VT) in my Samsung Chromebox (Series 5) from Google IO 2012 because of Android x86 emulator from Intel. I am on developer BIOS, but I have no clue, how to ...
sealskej's user avatar
3 votes
1 answer
947 views

Intel Vt-x - Android emulator

I'm trying to improve the speed of the Android emulator by installing Intel Haxm. I've downloaded all that's necessary from the Android SDK but when I try to install the software for Intel, I get an ...
Got The Fever Media's user avatar
2 votes
2 answers
16k views

How to activate VT-x on a Acer Aspire E1-571G?

How to activate the hardware virtualization an this laptop if on the BIOS i don't have any options...It's very simplified ( the only tabs on the BIOs are those: I searched and the processor supports ...
Andrei Olteanu's user avatar
2 votes
2 answers
2k views

Lenovo W530 Intel Core i7: VT enabled?

Is Intel VT supported by this laptop/processor? I need it for a 64bit OS VM virtual machine? If it is then my BIOS doesn't support it (no VT option under Config -> CPU). How to update my BIOS then?
citronic's user avatar
  • 1,141
2 votes
1 answer
7k views

Dell E6500 virtualization BIOS settings

Do you have Any experience how virtualization related BIOS settings work In Dell E6500? I am using VMWare Workstation 6.5 and do not see any option to turn those “magic features” on.
smok1's user avatar
  • 479
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
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 ...
dsdsad's user avatar
  • 123
2 votes
1 answer
8k views

Core 2 Duo E8400 and Intel Virtualization Technology

I have a computer with Core 2 Duo E8400 processor and ASUS P5QL-E mainboard. Recently I wanted to install XP Mode for Win 7 but I cannot run it because I'm getting an error that hardware ...
RaYell's user avatar
  • 1,154
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
  • 205
2 votes
1 answer
9k views

Does intel E7400 Core2Duo support vt-x?

Does intel E7400 Core2Duo support vt-x? The specification on the intel's website says it supports vt-x, But the Intel Processor Identification utility says it doesn't http://6point9.in/Capture.JPG ...
Nikhil Bhandari'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
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 ...
Muhammad Junaid Khalid's user avatar
2 votes
3 answers
7k views

Win 10 system_service_exception and BSOD after enabling virtualization (vt-x) in BIOS

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 screen of death with a ...
mjblay's user avatar
  • 196
2 votes
0 answers
749 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
2 votes
1 answer
2k views

USB 2.0 not working when VT-x is enabled

The problem I have is that when I enable Intel Virtualization Technology (or VT-x) in my BIOS, it makes my USB 2.0 ports not work. The USB 3 ports, on the other hand, are working. This is happening ...
Mickael V.'s user avatar

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