Windows 7: Distorted sound while playing music.

Hi guys, ive been having this problem for a while...

Everytime there is activity in my hard drive whether it is because i switch my wifi connection or my hard drive is forced to do something my sound crashes and becomes very disorted i have no idea why.

I use WMP 12 in Windows 7 Home Premium, my latop is an HP Pavillion dv4-4068la and my audio drivers are up to date and working, i hope there is nothing physically damaged on my laptop that causes this.

I can get up from bed and carry my laptop while its playing music and the sound is not affected thats why i think it has something to do with my operative system not the mother card or stuff like that.

Im planning on completely restore my system to its original state. Any tips on how to fix this without been so extreme on the case?

Thanks alot!

As you are planning to reinstall, that would be the best way to go. Although a major task, from what you report that should fix it.