F15: Second monitor not detected after booting finishes

"Steven F. LeBrun" <steven@xxxxxxxxxxx> · Sun, 31 Jul 2011 20:52:10 -0400



    When Fedora 15 [x86_64] is booting on my laptop, it starts on the
    laptop screen, then it throws the startup splash screen on my second
    monitor.  When it finishes booting, it no longer can detect the
    second monitor.

    
    Why can Fedora 15 see both monitors, laptop screen and external
    monitor, during the boot process then when finished booting can no
    longer detect second external monitor.  Is this a problem with the
    kernel, modules, drivers, desktop, hardware?

    
    I have tried connecting the external monitor directly to the laptop
    with an HDMI connector and through an USB Docking Station using DVI.

    
    OS:             Fedora 15 x86_64

    Kernel:        2.6.38-35.fc15.x86_64

    Desktop:    Gnome 3.0.1

    System:      Dell XPS 15R (i5-2410M CPU @ 2.30GHz x 4)

    Graphics:    Intel Sandybridge Mobile

    Memory:     8 GB

    
    -- 

      
          Steven F. LeBrun

        
          Quote: "The objection to fairy stories is that they tell
            children there are dragons. But children have always known
            there are dragons. Fairy stories tell children that dragons
            can be killed."

               -- G.K. Chesterton
      
    
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