Ubuntu – How to fix the nvidia display problem in Ubuntu 9.10

displaydriversubuntu-9.10

I had Ubuntu 9.04 working with nvidia display drivers, then I upgraded Ubuntu to 9.10. It boots to the desktop, the desktop looks great for a moment and then I get a screenful of pink and blue noise. How can I fix this? I've read that I should be able to drop out of the GUI with Ctrl-Alt-F1, but that doesn't work.

Best Answer

I got the help of a friend and here's what he ended up doing: Booted into recovery shell. Edited /etc/X11/xorg.conf and changed "nvidia" to "vesa". This allowed us to run the desktop GUI without getting the problem. He then went to the list of available display drivers under the "hardware drivers" menu and we selected a previous version of the nvidia proprietary drivers (just previous to the latest). The package manager downloaded and installed these drivers. We then changed "vesa" back to "nvidia" in xorg.conf, rebooted, and everything was good. The reason I couldn't drop out to a shell from the start was that the video problem seemed to kill the keyboard too. We also tried connecting an external monitor per DigitalRoss, but we never got anything to display. So the bottom line is that I'm not on the latest nvidia drivers, but at least I didn't have to downgrade anything else.

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From Ubuntu forums , You may need to reconfigure your xconf by using the following command,

sudo dpkg-reconfigure -phigh xserver-xorg

PS: Added additional Solutions

1) try to fix xserver in the recovery options. 2) check your xorg.conf for device section

Section "Device" 
    Identifier "Configured Video Device" 
    Driver "radeon" ## or make it "ati"
EndSection

Ubuntu 9.10: switch in KVM, mouse is detected but not usable immediately

Ok, I don't have an answer for your hardware kvm question, but I might suggest that you look at synergy as a solution to your 'share keyboard and mouse' between two computers.

Synergy is a lightweight client server app that uses the keyboard and mouse on the server to move the pointer and allow text input on client machines. It also allows cut and paste between machines.

Geometry and location of video screens is configured in a text file on the server, allowing, for instance, the monitor for your tower to be placed 'above' the monitor for the laptop. When you move the mouse pointer off of the top of your laptop, it enters the bottom of the monitor for the tower...

Synergy can be found here: http://synergy-foss.org/. Servers and clients are available for PC, Linux and Mac.

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