|There's nothing wrong with Vista. If you don't have Win7 and aren't interested in spending $100 to get it, Vista w/ SP2 will serve you well. |
If the DVD drive isn't showing any sign of life, make sure that the computer is set to boot from the DVD before the hard drive. To do this, you'll have to enter the computer's BIOS setup. With most computers, you enter the BIOS setup by tapping the Delete, F1, or F2 key immediately after switching the power on. Once you're in, scroll through the menus until you find Boot Order. Make your CD/DVD drive 1st, USB 2nd, and your primary hard drive 3rd.
If, on the other hand, the computer attempts to boot from the Vista DVD but fails, you probably have a scratched or dirty DVD. Clean the filthy thing.
EDIT: Totally missed the realtek thing. If you're already in Windows, you probably just need to clean your Realtek CD.
Socket 939 | Dual-core Opteron 185 @ 3.2GHz | 4GB | 1.0TB | Win7 x64
GeForce GTX 460 1GB | X-Fi Ti Pro | A8N32-SLI Deluxe | Antec P182