1. Press ctrl-alt-delete and bring up the Windows task manager. Select the process tab. Look in the cpu column. This shows how much cpu resources each process is using. While the hard drive is constantly being accessed check which processes are using the most cpu. This may help to narrow down what exactly is causing the hard drive to be constantly accessed.
2. The directx utility is most easily accessed by going to start-->run then typing dxdiag.
2. The directx utility is most easily accessed by going to start-->run then typing dxdiag.