4730 proBook s: what version of the BIOS allows the activation of virtualization technologies?

I use Oracle VirtualBox with 7 VM Linux on my ProBook 4730 of s (OS is Windows 7 64 bit). Somewhere around the BIOS update F.20 my machines virtual Linux no longer works, because of virtualization technology has not been enabled in the BIOS. I tried to enable it in the BIOS settings, but he refused to be activated. So I followed the instructions to return to the correct known copy last BIOS on the recovery partition, and yet I could not enable Virtualization Technology in the older BIOS revision.

Then I went the drivers and software from the HP Web site section for my ProBook and downloaded the revision of BIOS Feb 2011 (apparently the earliest possible review of BIOS for my laptop model) and then flashed my BIOS with this revision. And virtualization technology setting STILL refused to activate it.

I've seen in this thread in HP forums:

http://h30434.www3.HP.com/T5/notebook-operating-systems-and/HP-ProBook-4730s-BIOS-cannot-enable-virt...

anyone else with the model of my laptop had the same problem and the same symptoms: VMs worked up to a point in time and at that time there the Virt. Technology implementation option in the BIOS could not be reactivated.

So my two questions are:

Any available for this model of laptop BIOS revision allows the activation of the option of setting of virtualization technology?

and,

In the event of a revision, which one is it and can provide you a link where I can find a downloadable copy of it?

LTW

OK, after you call the tech support of HP, I found the answer to my version of this problem. When I tried to activate the virtualization technology in the BIOS, I was logging in BIOS using my account in the BIOS. At least for me (and probably for others too, since it is advice from HP support gave me) it was bad. You must log in with the account Guest User of the BIOS BIOS, and when you do, a lot of parameters of the BIOS, including virtualization technology, can be turned on/off. So my problem is solved.

Tags: Notebooks

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