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Correcting "Input Signal Out of Range"

Discussion in 'Linux and Unix' started by InterKnight, Jun 10, 2012.

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  1. InterKnight

    InterKnight Thread Starter

    Oct 18, 2004
    Hello, everyone.

    I am in a slight dilemma right now. Ever since I bought a new PC about a year ago (which came with my very first flat screen LCD monitor), regardless of what Linux distribution I have installed on this system, I always receive a message when the system boots up. The message reads to the effect of, "Input Signal Out of Range. Adjust settings for 1600x900 @ 60 Hz". This message also appears when I try to play games in fullscreen mode (I don't play games all that often, though). In older Ubuntu versions I recall editing /etc/default/grub and uncommenting a line which began with GRUB_GFXMODE and then running sudo update-grub, and this would usually solve the problem.

    Well...I am no longer an Ubuntu user. I have decided to plant myself in Fedora, and I am running Fedora 17 now. I do not even know where to begin in fixing this issue, and I have searched for quite awhile today to no avail.

    In /boot/grub2/grub.cfg there is a line which reads: set gfxmode=auto. I thought that if I changed auto to the recommended screen resolution and update GRUB that the problem would be solved, but that actually made things worse. I had read that you have to use the command:

    grub2-mkconfig -o /boot/grub/grub.cfg
    to update GRUB2 in Fedora, and that made my system completely unusable. :( Fortunaely I have a copy of Fedora 17 installed onto a LIve USB system, so I just reinstalled it, only formatting the root partition which I have created.

    Because of my inexperience in fixing issues like this, I do not want to make any more mistakes like the one which I made today as I really do not know how to fix problems like this when they arise.

    Could any of you please give me some pointers on how to fix this problem? If any additional information is needed just let me know. Here are a few bits of information about my system:

    • Video Card: nVidia GeForce 6150S#, nForce 430
    • The nVidia driver is installed rather than the Nouveau driver; the problem persists either way.

    Thanks very much in advance for any help which you can provide.

    Take care.
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