|May 4, 2005, 10:53 AM||#1|
iMac G5 keeps powering down by itself ! HELP
i have a iMac G5 revA. this morning, all of a sudden, the iMac just powered off by itslef... like the power cord got pulled from the back. restarting it doesnt help. just keeps powering off.
i tried resetting the SMU and no luck. if i let it sit for a few minutes, it will reboot and get to the desktop, but a power down happens eventually.
i tried rebooting in verbose mode, and i found this : " AppleSMU shutdown cause= -122 ". don't know what this means.
this seems like a power or overheating issue.
any ideas? all insight is appreciated.
PowerMac: Quad 2.5GHZ G5, 4GB RAM, Nvidia 7800GT, 20" Cinema Display
Rides: BMW R1150R, Burton Custom 162, Sector9 Padang, Specialized MTB
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