Steven Chall wrote:
I've just installed CentOS 6.2 on an HP xw8600 with two NVidia GeForce 8800 GT video cards in it. I have two Dell monitors than ran configured as a single contiguous desktop when this was a Windows 7 machine. I've only been able to access one of the two monitors under CentOS, although the system demonstrates some awareness of the second GPU/monitor, because the second monitor shows the standard CentOS 6 image while the machine is running. In addition, when it's starting up or shutting down a large wait cursor is displayed in that second monitor, and also shows the message "shutting down..." when that's going on. However, the Display applet in the System | Preferences panel menu shows only the one monitor, and hitting the Detect Monitors button doesn't help. Just to test the obvious, I switched the DVI cables coming out of the two video cards and as you'd expect what shows in the two monitors is also switched.
<snip> Either install the proprietary NVidia driver, d/l from their website, by hand, or install kmod-nvidia from elrepo, which will build it automagically. In either case, it will install an NVidia control panel in your menus, and you can select twinview.
mark, on a Dell Precision with that as he types
<snip>
+1