On Sun, 2008-08-24 at 14:31 +0530, Ritesh Raj Sarraf wrote: > Hi All, > > I need some help. I hope someone can acknowledge the bug that I'm going to > describe and help me root-cause and fix it. > > I have a Dell XPS M1210 notebook which comes bundled with nvidia GeForce Go > 7400 card. > 01:00.0 VGA compatible controller: nVidia Corporation G72M [GeForce Go 7400] > (rev a1) > > > It is around 2 years old laptop, and in the beginning I was able to use this > laptop with TwinView configuration. It worked perfect. > Sometime later during kernel upgrade and nvidia driver upgrades, TwinView > broken. I'm sorry, I can't really recollect when really that happened. > > Single View still works for me. But I badly want to use my External IBM > Monitor at work. > > > Here's my problem description: > > When I start X with the External Monitor connected, the screen goes blank > with no message. There is no X display on the external monitor. But X draws > an Extended Desktop because on the laptop's display, only half of the virtual > desktop is drawn. The External Monitor behaves as if nothing is connected to > it. > > My first suspect was that the VGA port might have gone bad. But I think that > might not be the case. This is how I concluded that: > > (II) NVIDIA(0): NVIDIA GPU GeForce Go 7400 (G72) at PCI:1:0:0 (GPU-0) > (--) NVIDIA(0): Memory: 262144 kBytes > (--) NVIDIA(0): VideoBIOS: 05.72.22.21.fd > (II) NVIDIA(0): Detected PCI Express Link width: 16X > (--) NVIDIA(0): Interlaced video modes are supported on this GPU > (--) NVIDIA(0): Connected display device(s) on GeForce Go 7400 at PCI:1:0:0: > (--) NVIDIA(0): IBM L191p (CRT-0) > (--) NVIDIA(0): AUO (DFP-0) > (--) NVIDIA(0): IBM L191p (CRT-0): 400.0 MHz maximum pixel clock > (--) NVIDIA(0): AUO (DFP-0): 330.0 MHz maximum pixel clock > (--) NVIDIA(0): AUO (DFP-0): Internal Dual Link LVDS > (II) NVIDIA(0): Assigned Display Device: DFP-0 > (==) NVIDIA(0): > (==) NVIDIA(0): No modes were requested; the default mode "nvidia-auto-select" > (==) NVIDIA(0): will be used as the requested mode. > (==) NVIDIA(0): > (II) NVIDIA(0): Validated modes: > (II) NVIDIA(0): "nvidia-auto-select" > > > If the VGA port was bad, X wouldn't have been able to auto-detect the > External Monitor. My xorg.conf doesn't have any mention of the external > monitor. > > I strongly believe this to be a Kernel or nvidia driver problem. That is > because I have used this configuration (TwinView) before. I believe it is not > a hardware failure. > > Any help is appreciated. > > Ritesh > > >   > > -- > If possible, Please CC me when replying. I'm not subscribed to the list.
Look at xrander --auto Man xrander and look at this here: http://wiki.debian.org/XStrikeForce/HowToRandR12 Let us know what happens if you run xrandr --auto. HTH -- Damon L. Chesser <[EMAIL PROTECTED]> -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]