I've never had it flip on and off, few times with a new laptop I'll try to start vbox and realize the vt setting is off after a minute of scratching my head, but not revert randomly.

See if there is a bios update too.  Seems no one bothers to make anything right the first time since microsoft perfected the "ship crap and patch later" game.

You want really odd bios, my newest dell laptop after about a month of use with only suspends will start turning itself back on back on.  Even with a poweroff now, I have to literally 5 second poweroff to make it stay down or it'll just start booting again.  Ghost in the shell, or at least acpi functions.

-mb


On 11/13/2014 06:25 PM, Stephen M wrote:
Now I don't think this is very relevant but I also have virtualbox setup on my laptop. I've not had an issue yet like on my desktop.  The difference is that this laptop is a little newer and also I'm not dual booting my laptop.  Other than that they are both setup the same way.

On Thu, Nov 13, 2014 at 6:23 PM, Stephen M <smelheim85@gmail.com> wrote:
My computer is around 5 years old and I don't think there is an app that controls the BIOS that I'm aware of.  The CMOS battery could be an issue because when I looked at the date in the BIOS it wasn't set correctly.  But the date was so I could try that.

On Thu, Nov 13, 2014 at 3:07 PM, Michael Butash <michael@butash.net> wrote:
Sounds like your bios is resetting - maybe the cmos battery?  The VT bit is a bios setting, really shouldn't change unless you have a os-level app that controls the bios too.  Seems most newer non-basic boards have this now.

-mb



On 11/13/2014 02:52 PM, Stephen M wrote:
It happened the same in 12.04 with 14.04.  I have the latest version of virtualbox which is 4.3.18 and the expansion pack.

If anyone can think of ideas why this might be happening that would be helpful.  But at this time I might have to look for a new computer.

On Thu, Nov 13, 2014 at 2:51 PM, Stephen M <smelheim85@gmail.com> wrote:
Hi all,
I'm not sure if someone has already asked this question.  I have a 64 bit host that I have VT enabled in the BIOS.  I can sometime create/run 64 bit guest machines and other times not.  It is usually when I reboot my computer.

I have tried to turn off VT or just having it on.  It will eventually come back though.  This problem has been going on for a while now.  I was on Ubuntu 12.04 but now 14.04 beyond that nothing else changed. 

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