sunstriker Posted January 5, 2008 Share Posted January 5, 2008 Hi, I received a broken iMac G5 with following problem: When I try to boot it, I get no image on the screen and there's some weird crackling coming from the speakers (I can hear the chime). When I try another couple of times the crackling gets less and I get finally image on the screen. Then I've to restart another one or two times because of a kernel panic. Once fully booted, the imac works flawless and I can reboot without any problem. I even got Leopard installed. When I turn the imac off for some time the problem rises again. I first thought it was a overheating problem but all the fans are running normally (I couldn't check the processor fans as they were covered by some nice Apple design ) Does anyone know this problem or is there a way to check the fans at booting time? Thanks Link to comment https://www.insanelymac.com/forum/topic/80015-imac-g5-wont-boot/ Share on other sites More sharing options...
A Nonny Moose Posted January 5, 2008 Share Posted January 5, 2008 Run the hardware test CD and tell us what it says. Link to comment https://www.insanelymac.com/forum/topic/80015-imac-g5-wont-boot/#findComment-566943 Share on other sites More sharing options...
sunstriker Posted January 5, 2008 Author Share Posted January 5, 2008 yeah, i've already tried that. It gives me a command prompt. The hardware test cd itself is from an old G3 so maybe it doesn't work well on a G5. Any other options? Or can i download a hardware test cd somewhere for free? Link to comment https://www.insanelymac.com/forum/topic/80015-imac-g5-wont-boot/#findComment-567165 Share on other sites More sharing options...
Colonel Posted January 5, 2008 Share Posted January 5, 2008 If it's still under AppleCare, you can download the latest TechTool DVD from Apple to diagnose the problem. Link to comment https://www.insanelymac.com/forum/topic/80015-imac-g5-wont-boot/#findComment-567276 Share on other sites More sharing options...
tayklor Posted January 6, 2008 Share Posted January 6, 2008 Sounds like the firmware is damaged. May also my bad ram. about your hardware test CD, you need a G5 disk. My 100th Post! Link to comment https://www.insanelymac.com/forum/topic/80015-imac-g5-wont-boot/#findComment-567585 Share on other sites More sharing options...
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