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Today, in my quest to get my new SlackWare install up to top performance, I downloaded the latest NVidia drivers. Feeling oh so smart, I killed KDE/X11 and ran the installer. It compiled itself for my kernel, and the told me that the install was successful, and to start X. I did select the "Backup xorg.conf" thingy.
When I started KDE, I heard the startup sound and all that jazz, but I got a black screen. No error messages in the console either, just a black screen, with KDE apparently running anyway. Any ideas?
I'm running on a Toshiba laptop with a NVidia GeForce Go card in it.
If the install was successful and the nVidia installer edited your Xorg config file, in that you said yes to that question, it should work with startx or kdm or /etc/rc.d/rc.4.
That's just the issue. When I rebooted and typed "startx", I heard the KDE init sound, the pop's from two windows that I have set to always open, and... nothing. It always displays a black screen. I pressed CTRL+ALT+F1 to check for errors, but according to the console, everything is going great!
Rather spookily, I had a very similar problem earlier today. I was tinkering around with lm sensors to detect my CPU temp etc, and on rebooting, all I got was a blank screen. I removed the kernel modules that were inserted by lm_sensors and all worked nicely again. Not sure what the deal is with them, but I'm guesing something was incompatible.
Anyway, I know its a shot in the dark, since when I googled, I found a blank screen could be caused by a huge number of things, but its worth having a look through the modules you have loaded, and checking if any of them don't get on with the Nvidia driver nicely.
It's been a long time since I saw this, but crazyjimmbo has a point. The other thing that comes to mind is Device Drivers>Graphics support>>nVidia framebuffer support and >> Console display driver support>> options in here. Although if you can see your boot up messages this should not be problem. Just guessing.
Just guessing again. I think the horizontal sync is incorrect in your xorgconfig file. Best to start again - first determine the correct values for horizontal sync and color depth. Owners manual or if you have a knoppix live cd lying around the boot messages will provide the values you need for your monitor. Vertical sync is not so important and on a laptop is probably in the 50-75 range.
Kill X, as root or superuser type xorgconfig and follow the prompts.
Reinstall your nVidia driver and things should work. I think your screen is "out of range", that's all.
Last edited by The_Outlander; 12-03-2006 at 08:21 PM.
Just want to say that I had the same problem, blank screen but could still reboot etc, when I first compiled 126.96.36.199. I had copied over my working 2.6 config from my 10.2 install to use as a base, and after a few tries it turned out to be the nvidia options that were enabled in the kernel. The framebuffer support and nvidia nforce/nforce2 chipset support in device drivers/character devices were what I had to turn off to get it working.