Evidently this boot parameter, or something like it, can resolve the conflicts which "kdesktop" has with "compiz" in Knoppix 5.3.1 (and they seem to exist with Sidux Ourea also). Yet I can't find anywhere on the Internet any explicit description of the exact manner by which this option is to be passed to Knoppix. On the assumption that "knoppix no3d" is a cheatcode I have entered those characters on the boot line at boot time, but they don't seem to produce any noticable changes to the video boot display, and kdesktop still fails in some one of its variety of ways as before. Does Knoppix 5.3.1 really recognize the characters "knoppix no3d" as a valid cheatcode, or must some other characters or form of entry be used? Could we be looking at some sort of German-English keyboard confusion such as existed back in the Knoppix 3.x era? Also, does anyone know why this incompatibility of kdesktop with compiz manifests itself with different sorts of error displays when booted again and again on exactly the same configurations of hardware and BIOS?