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How to force Ubuntu 7.10 safe graphics mode
Genisis X 
11/11/07 4:04:12 PM
Champion

Just installed gutsy and it when it boots it does not display correctly on my screens. I get a weird mass of colours, that's the only way I can describe it.

The system and the X server appear to be running and I can swithch to a tty with ctrl-alt-1 et cetera. It did the same thing when I booted the live cd but worked fine when I booted the live cd into safe graphics mode.

So I cannot fix the problem until I figure out how I boot into safe graphics mode. GRUB is my bootloader and the only boot options are:
Ubuntu 7.10
Ubuntu 7.10 (recovery mode)
memtest
and
Windows x64

I have googled to no avail. Is there a boot command for this or an x configuration file I could copy off the live cd over to the hdd?

System:
OS Ubuntu 7.10 alternate i386
amd athlon x2 3800+
1.5gb ram (all tested fine)
Nvidia 7900gt 256mb
Screens: Acer al1916W 19" widescreen + Samsung Syncmaster 710n 19"


-X

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Sadly that is what we have turned our children into. They expect the world to genuflect at their feet. All the pandering to mediocrity from the early years, telling them that they are smart and pretty and special. -plebsmacker

tmccoy 
11/11/07 4:17:47 PM
Champion

There isn't exactly a "graphics safe mode" which is why your search isn't netting anything useful.

Start up the machine, and after the colour insanity, drop down to the terminal.

Edit your xorg.conf file and if the "nv" or "nvidia" modules are being used, then replace this with "vesa" and possibly drop the display.

$ sudo vim /etc/X11/xorg.conf
...and find the "Screen" section and replace the "nv" line with "vesa".

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Genisis X 
11/11/07 6:12:44 PM
Champion

I did find an article that instructed me to boot into recovery mode and then

sudo dpkg-reconfigure xserver-xorg

I went through that without really changing anything and then the next time I booted ubuntu it greeted me with the lovely little warning about how it couldn´t detect my videocard and was going to be using the vesa drivers so there ya go.

Thanks anyway tmccoy!

-X

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Sadly that is what we have turned our children into. They expect the world to genuflect at their feet. All the pandering to mediocrity from the early years, telling them that they are smart and pretty and special. -plebsmacker

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