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Old 03-09-2012, 06:06 PM   #1
czl
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How to start live CD with low resolution


The latest distros using Gnome 3 appear to be sensitive to display capability.
Is there a way to start live CD's or even installation cd's so that the video card is not a factor?
On the same track, is there a video card that definitely works out of the gate with
Fedora 16, and hopefully 17?
Thanks
 
Old 03-10-2012, 12:36 AM   #2
barnac1e
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I suggest when you boot up the LIVE cd or the installation, tell the kernel to use safe settings, which will default you to 800x600 resolution. But doing that isn't going to make GNOME work any better. GNOME 3 has a fallback if it cannot find your graphic card, or actually the X window manager. You should maybe go to X.org and see if you can find what driver you need for whatever video card you have.
 
Old 03-10-2012, 06:34 AM   #3
RockDoctor
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The video card and monitor will always be a factor; it's an Xorg thing. On my system, it's the LCD display that's the problem - it doesn't emit a proper EDID. My solution is to install using the graphical installer's default resolution, and then create a custom /etc/X11/xorg.conf file with the appropriate modelines to obtain a full-resolution (1680x1050 in my case) desktop.
 
Old 03-10-2012, 11:50 AM   #4
czl
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Quote:
Originally Posted by barnac1e View Post
I suggest when you boot up the LIVE cd or the installation, .
Well, that's the problem right there. Booting from the CD I never get to a point where I can dictate terms. The boot process starts automatically, and only stops when it crashes with "Plymouth Daemon starting" How can I interrupt the boot process to request a safe mode, etc.
 
Old 03-10-2012, 11:59 AM   #5
czl
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Quote:
Originally Posted by RockDoctor View Post
The video card and monitor will always be a factor; it's an Xorg thing. On my system, it's the LCD display that's the problem - it doesn't emit a proper EDID. My solution is to install using the graphical installer's default resolution, and then create a custom /etc/X11/xorg.conf file with the appropriate modelines to obtain a full-resolution (1680x1050 in my case) desktop.
Oh boy! this is so far above my head, it's practically in orbit. All I know is that I tried with to run F16 with an ATI FireMV 2260, and failed.
Than bought an NVIDIA GTS-450 with the same outcome.
Both these cards work admirably with previous versions of Linux.
 
Old 03-10-2012, 03:46 PM   #6
RockDoctor
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You can edit the boot configuration by pressing the <E> key (or is that the <ESC> key, I never remember which?) when the syslinux boot screen appears. If you add "nomodeset" (without the quotes) to the kernel line, your system should boot. I also delete "quiet" and "rhgb " from the kernel line so I can see what's happening.
 
Old 03-11-2012, 04:42 PM   #7
czl
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Quote:
Originally Posted by RockDoctor View Post
You can edit the boot configuration by pressing the <E> key (or is that the <ESC> key, I never remember which?) when the syslinux boot screen appears. If you add "nomodeset" (without the quotes) to the kernel line, your system should boot. I also delete "quiet" and "rhgb " from the kernel line so I can see what's happening.
Thank you kind sir!
Doing as you suggested got things going. Unfortunately not to a favourable conclusion. I can now see the script running,
and the last three lines are:
kernel_init +0x353/0x353
? start_kernel +0x353/0x353
kernel_thread_helper +x0x6/0x10

At this point the cpu halts. I tried the same procedure on an older computer sporting an ATI 9600 card, and this time
the boot porcedure completed with the error message: Unable to load Gnome 3.
Having wrestled with this problem since F16's beginnings, I think it's time to say goodnight, which is a pity.
Perhaps F17 will bring better hardware recognition.

Thanks again.
 
Old 03-21-2012, 12:12 PM   #8
polinux
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vga=0x314 nomodeset
 
  


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