Parallels Desktop not working after upgrade

Discussion in 'MacBook Pro' started by pramman, Sep 17, 2011.

  1. pramman macrumors newbie

    Dec 6, 2010
    Please help. I upgraded to Lion, and since then when I try to open Parallels Desktop I get the following message:

    The virtual machine performance may be degraded because the hardware virtualization support is disabled on the host computer.

    It is recommended to enable the hardware virtualization support in BIOS settings.

    Unable to load Parallels driver. Please restart your computer and try again.

    Restart also doesn't help.

    After googling a lot, I could not find out BIOS settings on Macbook pro. Can someone help me?

    Many thanks, in advance.
  2. thewitt macrumors 68020


    Sep 13, 2011

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