Questions tagged [vt-x]
VT-x is an x86 processor extension specific to Intel microprocessors, It provides hardware acceleration to common virtualized tasks.
115
questions
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 ...
- 2,357
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, ...
- 1,247
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....
- 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 ...
- 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?
- 547
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 ...
- 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
...
- 421
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 ...
- 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 ...
- 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
...
- 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 ...
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. ...
- 141
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" ...
- 843
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 ...
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 ...
- 252
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 ...
- 153
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.
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 ...
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?
- 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 ...
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 ...
- 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 ...
- 547
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. (...
- 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 ...
- 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 ...
- 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 ...
- 547
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 ...
- 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-...
Vesa Huovi
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 ...
- 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 ...
- 51