Apple iMac G4 Desktop "mac stays few minutes goes" Questions

...stays there, and gets stuck, and after a few minutes shuts off on it's own. You may have to reinstall you OS e.g. tiger, leopard with the disks that came with your computer. that should solve your ...

...mac after a few minutes of streaming, the audio continues with a repeating skip of the last second of sound until I power down and restart manually. Videos do NOT do this when playing in Quicktime or ...