File Name and select

DTDs are prepared, you a ready to proceed with "New Configuration" now. Enter the Configuration File Name and select your Platform Chipset, disable the Display Detection. Select appropriate Display Configuration Mode. If you are going to use the external monitor as secondary one, your option is Dual Independent Head. The Port Order in this case is LVDS (1st, corresponds to laptop's display) and CRT (2nd, it is for external monitor connected through VGA port). In case you connect monitor using DVI, then instead of CRT take one DVO, not sure which one, you are free to experiment). Anyway if you are to use two monitors, the main one should have its port at the first line in Port Order. I was forced to use the same CRT as main and only monitor in my system, so my configurations were: