I was wondering if anyone could help me with some computer troubles that i am having..Any time I had trouble before stan would ...click...click .....and back in business...<br>last year stan gave me his Power Mac G4 cube..and it seems to running really really slow..and it will not sign into any sites at all.. Also I could be using it and it will autonmatically shut off...<br>anyone have any ideas..<br>any help will be greatly appricated<br>thanks<br>liz<br><br>