NVIDIA

From Freespire

nVidia video card basics

Some of this info will help troubleshoot and find some basic information related to nVidia card displays. Definitely incomplete and a work in progress

1 Select nVidia driver
2 Console Commands
3 What version of nVidia driver is being used?
4 Changing Screen Resolution
5 Links

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Select nVidia driver

Launch >>> Settings >>> Control Center >>> Peripherals >>> Display
Enter Administrator Mode.
In the driver drop-down select nVidia (there may be two to choose from- pick either. It is a mistake, but both nvidia selections are the same and are in fact the nvidia binary drivers (proprietary).

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Console Commands

Enter these commands in the Konsole. Their output will give clues to your problems and indicate the hardware you have.

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lspci

lspci | grep VGA

sample output:

00:0d.0 VGA compatible controller: nVidia Corporation GeForce 6100 nForce 405 (rev a2)

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cat /etc/X11/xorg.conf | grep nvidia

This will indicate if the nvidia driver is loaded during boot/start-up sample output:

Driver "nvidia"

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glxinfo | egrep "glx (vendor|version)"

sample output:

server glx vendor string: NVIDIA Corporation
server glx version string: 1.4
client glx vendor string: NVIDIA Corporation
client glx version string: 1.4

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glxinfo | grep direct

Will indicate if direct rendering is working
sample output:

direct rendering: Yes

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glxgears

This will demonstrate/confirm that your 3-D rendering is working.
After a several seconds, you can close the gears window to stop it.
sample output:

11846 frames in 5.0 seconds = 2369.155 FPS
15168 frames in 5.0 seconds = 3033.408 FPS
15197 frames in 5.0 seconds = 3039.334 FPS
15198 frames in 5.0 seconds = 3039.481 FPS
15164 frames in 5.0 seconds = 3032.757 FPS
15179 frames in 5.0 seconds = 3035.745 FPS

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What version of nVidia driver is being used?

View the file /var/log/Xorg.0.log find the lines that look like this:

(II) LoadModule: "nvidia"
(II) Loading /usr/lib/xorg/modules/drivers//nvidia_drv.so
(II) Module nvidia: vendor="NVIDIA Corporation"
compiled for 4.0.2, module version = 1.0.9631
Module class: X.Org Video Driver

(II) LoadModule: "glx"
(II) Loading /usr/lib/xorg/modules/nvidia//libglx.so
(II) Module glx: vendor="NVIDIA Corporation"
compiled for 4.0.2, module version = 1.0.9631
Module class: X.Org Server Extension
ABI class: X.Org Server Extension, version 0.1

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