Are you a type of person who is very keen in keeping your computer completely optimized for performance...Then here is one small tip which many forget to do... As you download updates for your operating system regularly,
 download the updated drivers(audio, video) and also the updates for your bios... These updates are generally 
available in the corresponding sites(eg: Intel etc.,)
For further reading as how to carry out the updates, check out this site PCSTATS...