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  3. Looking for a workaround for OSX screen sharing resolution limitation

  • Looking for a workaround for OSX screen sharing resolution limitation

    F
    F

    Hi,

    I've search the web for this without any results.

    I'm working with VE PRo on two macs. My Main computer is a 27' iMac with two more creen attached and my host is a Mac Pro with no screen connected. 

    I'm using screen sharing to control my host.

    My problem is that it seems impossible to change the screen sharing window resolution. I can't benefit of my large 27' iMac display. 

    Anybody have a workaround for this?

    Thanks
  • Cyril BlancC
    Cyril BlancC

    VNC will take the screen resolution defined on your Macpro, so you just need change you screen setting on the Macpro

    You can have multiple screens too and select one or two of them
  • F
    F

    Thanks Cyril,

    But there's no display attached to the Mac Pro and the display setting give me a generic profil with a choice of 4 screen resolutions. The bigger I can get is 1680 x 1050. I need 2560 x 1440 to fit in my iMac screen.

    I tried SwitchresX4 but it only work when you have a screen attached to the computer.
  • Cyril BlancC
    Cyril BlancC

    Are you sure that you video card can go to 2560 x 1440 ?

    Did you try to play with the View parameters in VNC ?
  • F
    F
    last edited
    last edited

    @Cyril said:

    Are you sure that you video card can go to 2560 x 1440 ?

    The video card of the Mac Pro? I'm not sure, but any Mac Pro 2009 should do this. They sale 27 inch Apple display...
  • Cyril BlancC
    Cyril BlancC
    last edited
    last edited

    I

    @Cyril said:

    Are you sure that you video card can go to 2560 x 1440 ?

    The video card of the Mac Pro? I'm not sure, but any Mac Pro 2009 should do this. They sale 27 inch Apple display...

    I have just check on my 12 core macpro that has 2 video cards (ATI 5770 and a NVDIA GT 120), the maximum is 1920 x 1200
  • D
    D

    The only way to set the display resolution on a headless mac is to fool it into thinking there is a display attached.  Two ways to do this.  

    1. Attach a display temporarily unitl you have the screen set up.  Then unattach it.  You'll need to do this every time you boot but the computer should remember the settings as long as the computer is running.  I have done this on a Mac mini and it works pretty well.  

    2.  Attach a VGA stub connector that has termination resistors (75 ohms on the RGB pins to ground) connected to it so the computer thinks there is a VGA display attached.  Example of this here:

    http://www.coderebel.com/support/faq/How-can-I-get-more-screen-resolution-options