Apple iMac G4 Desktop "shut off" Questions

...shut off. The comp still worked, but when I tried to play music the external speaker connection s I turned on my iMac computer and was surprised by a roaring sound. The fan is running and ...

...667MH2 DDR2 SDRAm Os10.5.6 I know this will sound very basic, so bear with me, but have you tried shutting down your Mac, leaving it completely off for 10 seconds or more, then restarting? My Mac ...

...off,but i can feel the processor still running behind .i have to press the power button at the back to restart again. I assume you mean you want to shut it down if you are expecting the fan to stop. ...

off the computer by choosing Shut Down from the Apple menu, or by holding the power button until the computer turns off. Unplug all cables from the computer, including the power cord. Wait 10 seconds.

...shut off again after a while.. The last line of console when it does this is " PMU forced shutdown, cause = - 122 What is that and how can it be fixed? Sounds like a power supply issue. You will need ...

my Imac keeps shutting off right in the middle of operation, then won't come back on for days More than likely you have a power supply that is going bad.

how to eject dvd from i mac it may need shut off.. rebooted and try to eject it again..

My iMac Won't Boot, I Turn It On And You Hear The Bong And The It Shuts Off. You Also See The Light Flicker On And Off What's Wrong If you have the boot disk try loading it by restarting it holding ...

...off by itself, even turned on once by itself....but tonight, when it shut down, it would not restart. I opened it up and looked and sure enough, 11 bulging/leaking capacitors. My local service center ...

...Normal restart: select restart from the apple menu, or press the power key (the sleep/restart/shutdown dialog appears), then click the restart button or press the "r" key. Forced restart (use ...