I turned on my computer and a screen came up that my display adapter was not set up correctly. I tried to reload the drivers but that did not help. I also noticed that my modem and sound card was missing, when I went to device manager. The computer has a PC100 mainboard m747 (pentium II) onboard video/sound modem is a pci. The computer runs but with 16 colors. How do I install back the drivers? Do I need to reload Windows 98?