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Help! Installed video drivers now my screen is blank on boot.


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#1 hill60606

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Posted 14 September 2008 - 01:08 PM

I'm hoping someone can help with this. I updated video card drivers and now my install is broken, when X loads the screen goes black. I can still reboot and log in as root from a command line (shudder), how would I go about fixing this?
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#2 Athiril

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Posted 14 September 2008 - 02:04 PM

I'm hoping someone can help with this.

I updated video card drivers and now my install is broken, when X loads the screen goes black.

I can still reboot and log in as root from a command line (shudder), how would I go about fixing this?



You may have installed the wrong drivers or put a display mode your screen cant handle.


For example, back in the day when I had a GF MX440 I installed the driver as a GF4 driver, when in fact the driver for the card is actually a GF 2 DDR.


Whats your graphics card and linux distro?

There's a command that brings up the config and you can change the driver and display mode.
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#3 Midnighter

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Posted 14 September 2008 - 02:06 PM

Is this any help? http://linuxgator.or....php?f=15&t=935
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#4 slimdog360

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Posted 14 September 2008 - 03:16 PM

Yeah, the graphics card type would be handy. at the terminal do the following
ls /etc/X11/
if you now see a line that says
xorg.conf_backup
or something similar you should then do the following
as root
cp /etc/X11/xorg.conf_backup /etc/X11/xorg.conf
then reboot the computer


if you didn't see that xorg.conf_backup file then you can do the following
nano /etc/X11/xorg.conf
scroll down and look for the bit that looks something similar to

Section "Device"
  Identifier  "Your graphics card name"
  VendorName  "the vendors name ie Nvidia"	
  Driver	  "nvidia"
EndSection
Thats assuming you have an Nvidia card. If you have an ati then it will say something like
Driver "fglrx"

Assuming it is an Nvidia, just change the bit that says
Driver "nvidia"
to
Driver "nv"
if you have an ati then just change it to
Driver "vesa"

then hit ctrl+x, save the changes and then reboot the computer.


When you have a bit of spare time you should probably read through that xorg.conf file. It will give you a bit of an understanding of how things work and also how to fix things/modify things easily.

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#5 hill60606

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Posted 14 September 2008 - 05:47 PM

Thanks for the replies, it's an ATI Radeon 9800, PCLinuxOS is the OS. Slimdog 360, I'll give it a try when I get home from work. Edit:- Thanks a lot it worked a charm. There were two lots of xorg.conf_backup files, old and original.

Edited by hill60606, 14 September 2008 - 06:10 PM.

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