hi guys here is the problem i had a freezing problem on my PC so i sent it away to be tested by a trusted company in my area they ran a full test one component at a time and came back fine nothing wrong. so he wiped my PC and done a clean install and the PC worked fine i have not changed any think since i got it back other then download 2 games wow and league. PC still worked fine up till yesterday and now the problem has come back after a bout 2 months if i listen to music on youtube i still hear the music but PC has frozen i leave it for a while to see if its a delay but nothing or some times it makes this loud noise like buzzing till i restart my PC and its getting to get on my nerves now please help me.