Humming noise
i have a macbook unibody (white) and since i updated to 10.6.3 i hear a quite humming noise under the F1 and F2 buttons. The noise is like bzzz pause bzzz pause bzzz.... and when i use the trackpad than its like a constant bzzzzzzzz. I used the Apple Hardware Test and everything is ok. I noticed that in the Hardware Test Menue the humming noise isn´t there. It starts when 10.6.3 is already booted.
Have someone the same problem?
Thanks
macbook unibody white, Mac OS X (10.6.3), 4Gb RAM