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Low Graphics Mode

  Date: Nov 26    Category: Unix / Linux / Ubuntu    Views: 565
  

My system has been behaving fine up until I went into Nvidia X Server
Settings, and got a message"You do not appear to be using the NVIDIA X
driver. Please edit your X configuration file (just run
`nvidia-xconfig` as root), and restart the X server."

So I did, and terminal displayed a message about how no xorg.conf file
exists, and it created one at /etc/X11.

Now when I boot, I get a message about how Ubuntu is running in low
graphics mode. There are a number of choices, and if I pick "restart X"
I can boot up. I have these in my /var/log:
Nov 16 20:08:37 bruce-desktop kernel: [ 10.420492] nvidia
0000:01:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
Nov 16 20:08:37 bruce-desktop kernel: [ 10.420506] vgaarb: device
changed decodes: PCI:0000:01:00.0,olddecodes=io+mem,decodes=none:owns=io+mem
Nov 16 20:08:37 bruce-desktop kernel: [ 10.420694] NVRM: loading
NVIDIA Linux x86_64 Kernel Module 96.43.17 Thu Apr 15 14:49:01 PDT 2010
Nov 16 20:08:37 bruce-desktop kernel: [ 10.708336] NVRM: RmInitAdapter
failed! (0x23:0xffffffff:684)

And this in xorg.5.log:
(**) NVIDIA(0): Depth 24, (--) framebuffer bpp 32
(==) NVIDIA(0): RGB weight 888
(==) NVIDIA(0): Default visual is TrueColor
(==) NVIDIA(0): Using gamma correction (1.0, 1.0, 1.0)
(**) NVIDIA(0): Enabling RENDER acceleration
(II) NVIDIA(0): Support for GLX with the Damage and Composite X
extensions is
(II) NVIDIA(0): enabled.
(EE) NVIDIA(0): Failed to initialize the NVIDIA graphics device PCI:1:0:0.
(EE) NVIDIA(0): Please see the COMMON PROBLEMS section in the README for
(EE) NVIDIA(0): additional information.
(EE) NVIDIA(0): Failed to initialize the NVIDIA graphics device!
(EE) NVIDIA(0): *** Aborting ***
(II) UnloadModule: "nvidia"
(II) UnloadModule: "fb"
(EE) Screen(s) found, but none have a usable configuration.

Fatal server error:
no screens found

How can I fix this?

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2 Answers Found

 
Answer #1    Answered On: Nov 26    

If you can get into Ubuntu using low graphics mode, which is likely a plain
vanilla nouveau driver, then you can install the required proprietary one
using System, Administration, Additional Drivers (in Maverick, in Lucid
called Hardware drivers). Choose the recommended one. If that does not work,
choose a recent one, 173 or 185. You can install more than one, but can only
use one at a time. You will need to re-boot to see any change.

If nouveau is installed uninstall it from Synaptic or equivalent.You
probably do not need to do this, but some distributions such as Fedora will
favour nouveau and as long as you have it installed it won't use the
proprietary ones. I don't think that Ubuntu does this, but it should not
hurt.

 
Answer #2    Answered On: Nov 26    

I found a newer driver on nvidia's website - 260
something. Removed all the old nvidia stuff, booted into console mode,
installed, started gdm and there you have it.

 
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