Thanks for enabling me to obtain new tips about computer systems. I also hold the belief that one of the best ways to keep your notebook in perfect condition is a hard plastic-type case, and also shell, that fits over the top of your computer. Most of these protective gear are generally model targeted since they are made to fit perfectly over the natural casing. You can buy these directly from the seller, or from third party sources if they are intended for your laptop computer, however not all laptop will have a shell on the market. All over again, thanks for your ideas.