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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My G5ith both classic 9.2 and Tiger, freezes after a short time.

I was told that my OS Tiger 10.4 was corrupted by an isp tech but I don't know what to do with it, and it has acted the same way even with the classic 9.2.2. Can I uninstall the Tiger and install another OS10x of my choice? I really want to use my Mac! Can I just skip the OS10? This was bought used for me in 2009, so I can't send it back. What other options are there?

Answered! View the answer I have this problem too

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I took off the original memory chips, and slid down my expanded memories to occupy the first memory slots, and the problem went away.

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Boy your really pulling at the cobwebs here

If I remember correctly the Power Mac G5 uses a PowerPC chip not Intel which will limit you on which version of OS-X will work. I think Tiger is as high as you can go here.

I don't think your OS is corrupted, just needing some maintenance. If it was corrupted it won't boot up.

OK what to do ...

First you need to make a backup onto an external HD just in case something happens. Make a complete copy to verify you have. go into the system prefs to select the external HD to boot from. It should be the first listed HD on your desktop.

Second now that your running off of the 2nd HD run disk repair on your primary HD. You may need to run it through a few times.

Next you'll need to get a defragging app that runs under PPC I like 'Drive Genius' but any one will do. Defrag your HD. At this point go back into system prefs and select your internal HD to boot from. Hopefully you should be OK. If not you will need to re-install the OS from the original CD/DVD's or copy back your files from the external back on your internal drive.

Make sure you have run a good antivirus across your HD files with the latest defs it should remove any viruses, malware, or other infections from your system.

At this point your need to clean out any old apps that your not using any more as well as look at old system extensions. Be careful in upgrading your apps as newer apps may drop PPC support.

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catsissie will be eternally grateful.
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