Question about Apple iMac G4 Desktop
RESET THE PRAM!
Hold down the command-option-p-r keys, and turn on the computer. Keep holding down these keys until you hear the "bong" four times. Do NOT LET UP ON THE KEYS until you hear the bong four times. Then let go.
If it still does not boot up, try booting up with the shift key held down. This causes the mac to boot into safe mode. You have to hold down the shift key until you see something like "safeboot" on the startup screen (not the grey screen, but the next one.)
There could also be a hard drive directory issue. While reinstalling the OS can help this, you should try DiskWarrior first. That program has saved my backside many times. It can repair the directory without wiping out all the contents of the hard drive.
There could also be a logic board problem. That gets a little tricky to fix on your own with this box. The home repair trick on that is to unplug the computer, disconnect the power supply cable from the logic board, and remove the battery. Let the computer sit like that overnight, re-assemble it, and start it back up.
Posted on Jul 22, 2009
You may have to reinstall you OS e.g. tiger, leopard with the disks that came with your computer. that should solve your problem
Posted on Jul 19, 2009
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Posted on Jan 02, 2017
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