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Thread: Monitor Issue prevents startup

  1. #1
    Join Date
    Jan 2010
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    51

    Monitor Issue prevents startup

    I can't start because I'm getting the following output, and then it just sits there. Anyone know what's going on here?



    I'm running on a Mac Pro5,1 with an Apple 23" Cinema Display.
    Last edited by rlinsurf; February 16th, 2012 at 05:49 PM.

  2. #2
    Join Date
    Feb 2008
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    4,262
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Monitor Issue prevents startup

    What version of Ubuntu? Dual-boot? If you still have Mac OS, what does DisplayConfigX show? What cable? No bent pins in the connectors?

  3. #3
    Join Date
    Jan 2010
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    51

    Re: Monitor Issue prevents startup

    I don't know because I can't get into it, but I ran all the updates to my 10.x version sometime in September.

    DisplayConfigX says:

    Name: LED Cinema Display
    ID: 610=APP
    Model: 9226

    Card: ATIRadeonX3000
    Driver: 1.6.36.10
    Memory: 512 MB

    The Cable is a dual-link DVI port, with the monitor in one of the ports, and no it's all in perfect shape.

  4. #4
    Join Date
    Jan 2010
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    51

    Re: Monitor Issue prevents startup

    Sorry, I was wrong. It's in the mini DisplayPort.

    Also, when I try starting up now, I just get a black screen.

    Help!

  5. #5
    Join Date
    Jan 2010
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    51

    Re: Monitor Issue prevents startup

    I had some more wrong information. This is Ubuntu 11.x, not 10.x.

  6. #6
    Join Date
    Jan 2010
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    51

    Re: Monitor Issue prevents startup

    Ok, I just tried to reinstall the whole OS from the LiveCD. The install went fine, but when I tried to reboot into the OS, I got the same black screen, this time with a blinking cursor and nothing else.

  7. #7
    Join Date
    Jan 2010
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    51

    Re: Monitor Issue prevents startup

    I just tried to run the 11.10 installer again, and this time checked everything. When doing the partitioning, I checked for any messages and I got: I-I-1: probed a monitor but no|invalid EDID.

    I also read it might be where I'm installing grub, but I don't see the Advanced options on the LiveCD like they used to be. Can someone tell me how to install grub?

  8. #8
    Join Date
    Feb 2008
    Beans
    4,262
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Monitor Issue prevents startup

    Grub is automatically installed. Is it possible to try a different cable/connector? Do the computer and the monitor both have DVI, for example?

  9. #9
    Join Date
    Jan 2010
    Beans
    51

    Re: Monitor Issue prevents startup

    Maybe that's the issue. This is a partitioned drive with a Lion volume as well as the swap and the ext4 which I was trying to install on. If I select the ext4 partition in the partition manager, is that where Ubuntu and grub go?

    Perhaps this maybe a Lion problem? I installed lion after I was already running Ubuntu successfully, maybe that's what screwed it up?
    Last edited by rlinsurf; February 18th, 2012 at 02:56 AM.

  10. #10
    Join Date
    Jan 2010
    Beans
    51

    Re: Monitor Issue prevents startup

    Oh, sorry. No, it just has the one mini DisplayPort out.

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