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The PowerMac G5 is a desktop computer first produced in 2003 by the Apple Corporation. This guide will review the repair process of an Apple PowerMac G5 model number A1047 EMC 2061 from 2004. It was discontinued in 2006 as part of the Intel switch first to developers then consumers.

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Can dead USB ports be repaired?

I was in the process of moving my old G5 and was re-attaching peripheral items. When the power source was applied to an Adaptec 7-port hub it shorted with an audible pop. Since that event I received a screen message that stated "USB over-current", now none of the USB ports on the G5 will do anything. Is this problem a damaged motherboard and a replacement is in order or is there something else that may fix my problem?

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Please let us know which machine you have bt giving us the last three figures of your serial number. There are known issues that can help us give you the correct answer.

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Thanks for the reply, the last three digits of the G5's serial number are: RU4

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I had one that was hit by lighting and fried the USB ports. I got a Sonnet PCI - USB board and that solved the problem. http://www.sonnettech.com/product/allegr...

I tried cheaper cards and they did not work.

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Would you recommend this board at around $60 or would Sonnet's PRO version at around $120 be a better choice? Are both boards compatible with the older OS Tiger? Because of the old G5 using a pair of the Power PC processors, I don't believe it is possible to upgrade beyond Tiger. Your advice is appreciated.

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Once your motherboard has encountered a short circuit, there is no solution other than replacement. Make sure that you responsibly dispose of the old motherboard (and no, throwing it in the trash is not responsible; take it to an e-waste recycling center for proper recycling of hazardous materials such as heavy metals). You can replace the motherboard with another motherboard, but iFixit does not offer PowerMac G5 motherboards.

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