There is a bug causing this problem. Try to specify the mode you want explicitly. For example, in the Screen section add DefaultDepth 24 in the corresponding Display SubSection (Depth 24) add Modes "1600x1200"
Hui > I've got a Dell Inspiron 8200 laptop with a ATI Radeon M9 video adapter and > a 15" UXGA (1600x1200) display. I've installed the latest Gentoo Linux > distribution 1.4rc2 and successfully compiled XFree86 version 4.2.99.902. > When I attempt to run XFree86 after generating an XConfig file using the > XFree86 -configure command the process dumps out with the followingerror. > > (EE) RADEON(0): No valid mode found for this DFP/LCD > > I then tried hand editing the XConfig file and added the following to the > monitor section. _______________________________________________ XFree86 mailing list [EMAIL PROTECTED] http://XFree86.Org/mailman/listinfo/xfree86