Kam Leo wrote: >If you are not using the Trident adapter go into the BIOS and disable it. I wish I could! I could not find anything in the BIOS to do it ! I did have a few extra thoughts though - maybe there is a kernel parameter that can be passed to the kernel for boot to select the correct card - I think the crux of the issue is that the system detects the Trident but then correctly finds the monitor and it is on a different card ! I wondered if adding the "BusID parameter to the xorg.conf in the graphics device definition might do it - and I guess the BusID is listed on lspci ? It has been hard to find documents on this - anyone know some useful links ? After much googling I found some secrets well buried. I found out that if you run lspci and get the BusID from the first line of the graphics card entry, say 0:0d.0, then you can specify this in the xorg.conf file for example: Section "Device" Identifier "Videocard0" Driver "nvidia" VendorName "Videocard vendor" BoardName "nVidia Corporation NV34M [GeForce FX Go5200]" Screen 0 BusID "PCI:0:13:0" EndSection OK it seems that the trick is to convert the hex value from the lspci output into a triplet of colon separated decimal values - hence the 13 above. In my case I would just have to add the BusID line to the existing entry which I can copy from the FC4 xorg.conf file and add the BusID line. I will have to try this next week - a lot of this magic seems to apply to dual head systems but maybe if I am lucky it could help me with my problem (and others too !)? -- mike cohler