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Dark screen after install
http://forums.linhes.org/viewtopic.php?f=1&t=3615		 Page 1 of 1
Author:  mlun [ Mon Feb 21, 2005 6:45 am ]
Post subject:  Dark screen after install
I have now tried to install both R4V5 and R5A10 with various parameters at the spash screen boot promt:
1) "" (blank)
2) knoppix alsa screen="800x600"
3) knoppix alsa screen="640x480"

In all cases installation goes fine, the system reboots, but when starting up again reaching the "gdm" line, the screen powers down. I can get a term screen with ctrl+alt+F2, but I do not quite understand what values I could possibly type into XFConfig-4 that could get my screen to work when 640x480 doesn't ???
Author:  Xsecrets [ Mon Feb 21, 2005 9:22 am ]
Post subject: 
those options you just described have nothing to do with what resolution comes up once the install is complete and you reboot.

I'm guessing you are outputting on a TV? if so from that console prompt edit /etc/X11/XF86Config-4 and make horz refresh 30-50 vert refresh 60 then run /etc/init.d/gdm restart
Author:  mlun [ Mon Feb 21, 2005 9:56 am ]
Post subject: 
No in fact I run it on a PC-monitor. I have just tried to re-install using another monitor, and this worked. Strange why Monitor 1 showed black screen (TFT 1024 x 768?? The one that worked was another TFT with a little higher resolution, and I wold certainly like to know how I could get monitor 1 to function.
Author:  cesman [ Mon Feb 21, 2005 9:58 am ]
Post subject: 
I've seen this when installing to a system hooked up to a TV. The video card is nVidia 440. <ctrl><alt><f1> and install the nvidia drivers.
Author:  sim [ Thu Mar 03, 2005 3:57 pm ]
Post subject: 
I too have the same problem however i know i have installed the nvidia driver as i get a brief flash of the nvidia logo when x starts then black screen
Author:  sim [ Fri Mar 04, 2005 9:35 am ]
Post subject: 
:D Nevermind fixed it by commenting out all but lowest hsync and vsync in xf86config-4
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