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Thread: External monitore works... and then doesn't

  1. #1
    Join Date
    Apr 2008
    Beans
    3

    Angry External monitore works... and then doesn't

    Hi everyone,

    I'm totally new to Linux/Ubuntu,so I hope you can help me out. I did some research on my problem but nothing seems to help. So here goes.

    Basically my problem is that my external monitor (Samsung 2232bw) doesn't work with my laptop (old Compaq presario 2165EA). However! It DOES work when the computer is starting up. I get the Ubuntu logo on both my screens, but when the login screen appears, the external monitor loses signal. So it doesn't just go black, it actually loses signal. Before that I see it struggling between analog and digital input (the on screen display switches between "analog","digital", "analog" etc. It's analog).

    So thats it! I hope you can help me out, cause I really want to use Ubuntu... thanks in advance!

  2. #2
    Join Date
    Apr 2008
    Beans
    13

    Re: External monitore works... and then doesn't

    You will probably need to provide more information so someone can help you quicker and more efficiently. Do you know what kind of video card you have?

  3. #3
    Join Date
    Apr 2008
    Beans
    3

    Re: External monitore works... and then doesn't

    Oh right: the video card is a ATI Mobility Radeon...

  4. #4
    Join Date
    Apr 2008
    Beans
    13

    Re: External monitore works... and then doesn't

    Do you know if you have selected to use the restricted drivers for ATI? look at system->administration->hardware drivers.

  5. #5
    Join Date
    Apr 2005
    Beans
    113

    Re: External monitore works... and then doesn't

    Same problem here (post: http://ubuntuforums.org/showthread.php?t=765169). I'll be following this one since right now working on ubuntu is just a pain in the *** because of these problems.

  6. #6
    Join Date
    Aug 2007
    Beans
    33

    Re: External monitore works... and then doesn't

    I have pretty much the same setup except I have a Presario 2500 and a Philips 22". I have tried with and without those ATI drivers, they do not help. I have the x300 Radeon mobility card.

  7. #7
    Join Date
    Apr 2008
    Beans
    3

    Re: External monitore works... and then doesn't

    So you both have the same problem? It also works at first, showing the Ubuntu logo, and then stops working?

    Well, in that case, at least I'm not the only one...

  8. #8
    Join Date
    Aug 2007
    Beans
    33

    Re: External monitore works... and then doesn't

    Please, can anyone help?

  9. #9
    Join Date
    Aug 2005
    Location
    Germany, RLP
    Beans
    24

    Re: External monitore works... and then doesn't

    What happens if you start up without external TFT and connect later on?

  10. #10
    Join Date
    Aug 2007
    Beans
    33

    Re: External monitore works... and then doesn't

    Nothing, it's still black. I only see something before the login window regardless.

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