Here is one Windows gadget that will help users observe if their computer is performing well. It is a GPU Observer that is simple and easy to understand and is applicable for both NVIDIA and ATI graphic cards. The gadget shows the temperature of your desktop and the user should take note if the system is getting too hot because it means that something is wrong and it must be checked immediately. Fan revolutions per minute is also shown to see if your fan is fucntioning well. If that wasn’t enough this gadget is quite small and won’t be a hassle on your screen.