Yosemite guest won't use dual monitors

Discussion in 'macOS Virtual Machine' started by MichaelP2, Mar 11, 2015.

  1. MichaelP2

    MichaelP2 Bit poster

    Messages:
    2
    Is there a way to allow Parallels with a Yosemite guest use both monitors in a dual monitor host setup? The "View -> Use All Displays in Full Screen Mode" menu is disabled and when choosing to view in full screen only one monitor is used.
     
  2. Nikhil@Parallels

    Nikhil@Parallels Parallels Support

    Messages:
    48
    Hi Michael,

    You may please try the below steps and see how it goes.

    1. Start virtual machine in normal Windows mode.
    2. (Re)install Parallels tools: http://kb.parallels.com/112609
    3. Open Configure: http://kb.parallels.com/en/117287
    4. Options > Full screen > Enable "Use all displays in full screen"
    5. Change Windows to full screen and check.

    Feel free to let us know if you have any questions.
     
  3. MichaelP2

    MichaelP2 Bit poster

    Messages:
    2
    Nikhil
    That has no effect. The "Use all displays in full screen" is still greyed out. It does this similarly with a Mavericks guest and a Yosemite guest.
    Mike
     

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