I went back to my old PC to get this fixed and as it was a tower now I needed to get the trackball working on the new PC - no joy getting that to work so I still have to use the keyboard for now. Re: Optiplex 990 PCI Serial Port DriversFri, 18:21:37 (imagedrink)imagedrink will be fine, and I will need to make a few changes anyway. It seems that you were to busy with your second PC to keep up on the first one. Re: Optiplex 990 PCI Serial Port DriversThu, 00:20:13 (kimmy26)kimmy26
Dell Optiplex 990 Pci Serial Port Driver Windows 10