I built my first gaming PC about a month ago and had a few minor hiccups within the first week but they were all worked out. Yesterday I started noticing the loading icon next to my mouse cursor (the little blue circle) is randomly showing up for 1 or 2 seconds. If I open a program it pops up which is normal but after everything loads I still get the icon every few seconds and even while scrolling a web page. Load times also seem to be a little slower. Could this be a HDD problem or CPU.