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Apple Computing Products:
macOS - Desktop Hardware
Power Mac G5 - Video card / Fans problem
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<blockquote data-quote="baggss" data-source="post: 1252615" data-attributes="member: 6762"><p>This is likely an issue with either the CPUs overheating, the power supply, the logic board itself but the Video card could still be in question. The reason the fans went to full without the video card is that OSX won't boot without the video card and it just sat there then went to the default fans spinning up mode. Try a replacement Video card and see what happens, but be ready to be disappointed.</p><p></p><p>You can reset the PRAM, check the RAM, make sure all the cards are seated correctly but in the end you best bet is to just replace the machine itself. When the G5s fail in this manner it's usually something large, like the logic board, and the cost to repair is not worth the value of the machine.</p></blockquote><p></p>
[QUOTE="baggss, post: 1252615, member: 6762"] This is likely an issue with either the CPUs overheating, the power supply, the logic board itself but the Video card could still be in question. The reason the fans went to full without the video card is that OSX won't boot without the video card and it just sat there then went to the default fans spinning up mode. Try a replacement Video card and see what happens, but be ready to be disappointed. You can reset the PRAM, check the RAM, make sure all the cards are seated correctly but in the end you best bet is to just replace the machine itself. When the G5s fail in this manner it's usually something large, like the logic board, and the cost to repair is not worth the value of the machine. [/QUOTE]
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Apple Computing Products:
macOS - Desktop Hardware
Power Mac G5 - Video card / Fans problem
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