I have a G5 dual 2.0 GHZ running 10.5.8 The wifi signal is being unreliable, and at times not working completely. Sometimes it will show 1 or 2 bars, other times none. Occasionally it will show all 5 bars but this is rare. As of late it's been crapping out completely. I have the latest airport install from apple. My router is probably 10-15 feet away, and when I use my macbook from the same location I have full 5 bars and no problems. It's an internal wi-fi (airport?) card that came stock with the computer. Is it dying? SECOND ISSUE: I installed a wireless keyboard (works now) and apple magic mouse. The mouse is recognized fine, has brand new batteries, and I installed the software 1.0 from apple website. However, when I use it, it lags, is slow, and not entirely responsive to moving the pointer (although its clear its connected). Is this a problem with the internal bluetooth antennae?