Ok within the last few months I get pauses in cursor movement etc(lasting a second or two)usually when surfing the net. I use Chrome for the most part. Sometimes the pc will completely freeze after doing this and only option is to manually shut down or restart. Also my mouse cursor will not change to what it should like the finger, pointer or typing blinking dash. Right now it should be blinking dash inside this text box but it's not it's still the standard windows pointer.
Sometimes I get artifacts too and one time I got nvidia driver error message so GPU might be dying? Maybe just try new drivers? Sometimes I "shut down" my PC and windows seems to shut down but the actual PC remains powered. I have to manually hold the button.
I think I had this problem last summer too. Could it be the heat and humidity? Defrag? New drivers? Virus maybe? Reformat W7? What are my options here?
I must add that I swear it only happens when surfing the net. I can get in a game and play for hours with no problems. A few times though the games did seem to run chunkier but it would never freeze or anything like I mentioned above.