crwdns2934241:0crwdne2934241:0 Don Jeffels

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Failed cooling of power supply

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Replaced old power supply. Computer ran well for about 4 hrs after closing it up then the new power supply failed due to heat buildup. Suspect lost cooling air flow. Can a fan failure be the fan only or instead be a problem with the main board’s control of the fan?

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iMac G5 20" Model A1076

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open