Bluetooth Not Available Os X G5

I have an IMac G5, running OS X.4.2. I have a bluetooth keyboard and mouse. The Bluetooth icon in the upper right part of the screen has a crooked line through it and when I click on it, it says "Bluetooth not available". ...

e at WWDC. Currently at Dual Core 867MHz G5, they are expected to be released at 1GHz, 1.2GHz and 1.5GHz Dual Core G5. They currently are 1.7" thick with a large G5 inspired grill on the bottom to increase airflow into the unit. There is a secondary shield inside, to prevent particles from entering the inside system board. ...

I don't know, but my iMac G5 seems to be pretty fast. And the games it has run quite fast as well. Heck, I'm even running MAME on it better than I've run it on any other platform. ...