if you get a hold of the exact same card. The drivers that are already installed will reuse the drivers from the defective card. Windows NT and up is pretty good at keeping a driver profile handy for such events. If you can't get the exact card. Then yeah You may have to use the Driver CD that comes with it. Most likely It may just automatically install drivers that are already in the Driver CAB files. Give or take. You should have no problem with replacing the card. Being it was caked with dust.. Dust can carry an electrical Charge. Otherwise Known as static. What may happen is air might blow over the dust causing positive Ions to get excited and generate enough of a jolt to burn up the sensitive Micro chips on that card. Like most people will say on this web site and any computer professional. It's imperative to keep your machine clean and healthy. Think of it like changing the oil in a car. It needs to be done every 3 months or every 5000 Miles. What happens if that gets neglected? It ceases to run or function properly. Almost the same deal. Its a must to take care of that. People that have pets or near heavy traffic areas are more vulnerable to dust. I highly recommend buying a small 1 Gallon Electrical Air compressor just for this purpose if not canned air is an option that could be dangerous if misused. Bear in mind a clean computer is a happy computer.
Edit: Also. Welcome to Bleeping computers. Your one stop shop for any computer question. I'm glad to be of service. Hope this answered your question. I have giving the best support to my knowledge.
Welcome aboard and Thank you for your questions. If you have any further questions Feel free to reply to this post. If it's a new question. Again Feel free to make a new topic. Have a nice weekend.
Edited by Goldwyn, 18 January 2009 - 06:24 AM.