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Thread: Virtualbox not working on Ubuntu 18.04 Lenovo Yoga 720

  1. #1
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    Virtualbox not working on Ubuntu 18.04 Lenovo Yoga 720

    I'm trying to run Ubuntu 18.10 in virtualbox on a Lenovo yoga 720 with running Ubuntu 10.04, however I get an error saying
    "VT-x is disabled in the BIOS for all CPU modes (VERR_VMX_MSR_ALL_VMX_DISABLED)."

    Some threads recommend enabling VT-x in bios, however I've not got this option. Is there another solution?

    Yours sincerely,

    Lars

  2. #2
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    Re: Virtualbox not working on Ubuntu 18.04 Lenovo Yoga 720

    I'm not sure this will work on your machine but>>> in Oracle VM VirtualBox Manager:

    1.Select the Virtual device and choose Settings
    2.Navigate to System and click the Processor tab
    3.Tick the check-box, Enable PAE/NX
    4.Click OK and Restart the VB
    Also make sure that the number of CPU is set to one.
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  3. #3
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    Re: Virtualbox not working on Ubuntu 18.04 Lenovo Yoga 720

    Thanks, however I'd already tried that solution and it doesn't work.

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    Re: Virtualbox not working on Ubuntu 18.04 Lenovo Yoga 720

    I believe you can install an i386 virtual machine even without vt-x.

    Current Ubuntu releases are no longer compiled for the i386 platform. However 16.04 LTS does have one and will be supported through 2021.

    http://releases.ubuntu.com/16.04/ubu...sktop-i386.iso
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  5. #5
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    Re: Virtualbox not working on Ubuntu 18.04 Lenovo Yoga 720

    Thanks, however the purpose of installation was to test 18.10 before upgrading because I'm a bit uncertain about upgrading and would like to test 18.10 on my hardware. Hence, installing 16.04 will not do it unless I can upgrade from 16.04 --> 18.04 --> 18.10. That'll be an extensive process though. Testing 18.10 running from an USB is of course also an option, however, Virtualbox was excellent with my former laptop for trying out new distros and I'd like to be able to continue trying out distros in Virtualbox.

  6. #6
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    Re: Virtualbox not working on Ubuntu 18.04 Lenovo Yoga 720

    Just in case that laptop uses an AMD processor, which seems unlikely from what I know of Lenovo, you may need to enable AMD-V not VT-x in the BIOS
    DISTRO: Xubuntu 18.04-64bit --- Code-tags --- Boot-Repair --- Grub2 wiki & Grub2 Basics --- RootSudo --- Wireless-Info --- SolvedThreads

  7. #7
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    Re: Virtualbox not working on Ubuntu 18.04 Lenovo Yoga 720

    Yeah, it's Intel® Core™ i7-7500U CPU @ 2.70GHz × 4.

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    Re: Virtualbox not working on Ubuntu 18.04 Lenovo Yoga 720

    Yeah, it's Intel® Core™ i7-7500U CPU @ 2.70GHz × 4.
    Are you sure that option isn't available??
    have a look: https://forums.lenovo.com/t5/Lenovo-...091671#M124217
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  9. #9
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    Re: Virtualbox not working on Ubuntu 18.04 Lenovo Yoga 720

    Cheers!

    It wasn't the exact recipe, but it led me to the solution. Here it is for further reference for Lenovo Yoga 720:
    https://www.dropbox.com/s/wqdvq0f5e3...06.52.jpg?dl=0

  10. #10
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    Re: Virtualbox not working on Ubuntu 18.04 Lenovo Yoga 720

    fantastic.
    With realization of one's own potential and self-confidence in one's ability, one can build a better world.
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