Problem with ingame sound

[DZZRtt]

Soundcard Creative X-Fi Extreme Gamer.
There is problem: basses just unreal, it's like speakers or headphons are corrupted it's sounds like bzzzzzzzzz and also in main menu the same when fast moves mouse.

[zBobG]

Go to the Creative mixer (or the Windows sound mixer) and MUTE all sound sources except the WAVE source and the Master Volume Control. The MIC (microphone) or Line-in source is probably picking up and amplifying noise from inside your computer, muting them should stop the 'buzzing'.

Remember that you did this so later when you want to use your microphone (for another game) or line-in (for recording) you'll be able to un-mute the source.