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I installed RH9 on my wife's computer because she likes using the Gimp and other programs. Since I've installed it, though, it has been giving her problems with the display. If she leaves it logged in and idle for a while, a random black line will appear horizontally across the screen. The line is there whether it is in desktop or screensaver, and remains until she logs out and logs back in. Sometimes the system will completely freeze when it's left alone, and she has to reboot to get it to work again. I did not install KDE, as she preferred the default desktop. I am assuming there is a problem with Gnome or one of the related files, but I haven't a clue how to track it down. Suggestions?
Her computer has an AMD Athlon and an NVidia Geforce 2 card. The problem started with the initial install. I installed the Nvidia drivers and configured the file (correctly, I think). This had no effect on the problem. The system is a dual-boot with XP, and it has worked flawlessly for over a year in Windows, so I don't think it's a hardware issue.
Well, I've done some more troubleshooting. The system freezes if any of the more elaborate screensavers come up - anything that requires 3-D rendering. Disabling the screensaver stops the lockups, but doesn't fix the problem. (It doesn't make the wife happy, either. She likes all the cool screensavers.) The simple games work, but Tux Racer freezes the system up completely. When I go to the display properties, the 3D acceleration button is disabled. I have read in this conference that this is common for Redhat using Nvidia's drivers.
I don't think the problem is with the Nvidia drivers, since the problem is the same with the default and updated drivers. Any suggestions on further troubleshooting?
It turns out that it was a hardware issue. I guess her video card was slowly giving out, and that was causing all of the problems. It started displaying garbage last night, even in BIOS. I swapped in a different GF2 card, and the problem was solved.
OK, now I'm completely confused. After sitting overnight, the computer has once again started with the thin, black line across the desktop. The system has to sit logged in for many hours to exhibit this condition. It no longer freezes on any screensavers, and Tux Racer plays and looks great. Logging out and then back in also causes the line to disappear.
I'm assuming this is a gnome problem, but I lack the knowledge to accurately track it down.
Im using the same card with the same system I think.......are you using the 32mb or 64mb gforce card? wich ever it is check your display setting for the card you might not have it set to the correct one you can do this by going to system settings-->display-->itll ask
for the root password and then go to configure and make sure you have it set for either 32 or 64 mb. Also when you edited the XFree86 Config file after installing the NVIDIA drivers from the web site ....... make sure under driver for the card you erase "nv" and put "nvidia" also under load modules make sure you have "glx"