Bad sound problems

[chaboyee]

Hello guys,

I have a suspicion that I just need to get a new sound card but want to make sure that any of you don't have a suggestion as to a fix.

I have headphones plugged into the front of a Dell SX270 and without anything playing I hear static, almost like listening to an old cassette tape. And the sound reacts to my mouse moving as in it squeels a little whenever I move it. Neither of these are very loud but after a while the static and the squeel get a bit annoying. And it doesn't matter whether it's muted or what level the volume is at. So is my only solution to get a new audio card?

[guestolo]

Have you tried the latest Audio drivers for your product, it may help
http://support.dell.com/support/downloads/index.aspx?

Not sure what operating system your running, so you will have to look up your own

+ Just for elimination, can you try muting your microphone in the audio settings and see if it helps
If not, try another setting in your audio settings