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Apple Computing Products:
macOS - Desktop Hardware
PowerMac G5 startup issue
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<blockquote data-quote="pigoo3" data-source="post: 1496867" data-attributes="member: 56379"><p>Yes...since the power supply is in the bottom of the case on Powermac G5's...it is pain to get to.</p><p></p><p>As far as the "freezing"...this could be any number of possibilities:</p><p></p><p>- hard drive going bad</p><p>- maybe the OS got messed up in some way</p><p>- maybe some sort of 3rd party apps are causing incompatibilities </p><p>- one or more sticks of ram could be bad or going bad</p><p>- one or more sticks of ram could be the wrong ram</p><p>- the ram could be installed incorrectly</p><p></p><p>"Freezing" is such a generic term..and so many things can contribute to it. The best things you can do to eliminate most of what I mention are:</p><p></p><p>1. Boot the computer from an OS install disk...or use a "fresh" and known good hard drive (nothing installed on it)...other than a "fresh" copy of the OS installed on it. </p><p></p><p>This assures that the hard drive is not the problem, the OS install is not the problem, and no other installed apps. are the problem. </p><p></p><p>2. Verify that the ram is installed correctly (matching sticks in the proper slots/banks). </p><p></p><p>3. Be sure that none of the sticks of ram are bad, going bad, or are the wrong ram. This is mostly a "trial & error" process...unless you are 100% sure the ram is not the problem (but ram can always go "bad" even if it is installed correctly & it is compatible ram).</p><p></p><p>If you can eliminate that the hard drive, the OS install, and the ram are not problems...then you are back to the logic board & power supply.</p><p></p><p>One other last thought. The Powermac G5's run hot. They have lots of fans inside...and need lots of fresh cooling air. You may want to open the computer up...and check to see if any of the fans and/or cooling fins of the heatsinks...aren't clogged with dirt/fuzz/dust.</p><p></p><p>HTH,</p><p></p><p>- Nick</p><p></p><p>p.s. Could also be a bad video card issue.</p></blockquote><p></p>
[QUOTE="pigoo3, post: 1496867, member: 56379"] Yes...since the power supply is in the bottom of the case on Powermac G5's...it is pain to get to. As far as the "freezing"...this could be any number of possibilities: - hard drive going bad - maybe the OS got messed up in some way - maybe some sort of 3rd party apps are causing incompatibilities - one or more sticks of ram could be bad or going bad - one or more sticks of ram could be the wrong ram - the ram could be installed incorrectly "Freezing" is such a generic term..and so many things can contribute to it. The best things you can do to eliminate most of what I mention are: 1. Boot the computer from an OS install disk...or use a "fresh" and known good hard drive (nothing installed on it)...other than a "fresh" copy of the OS installed on it. This assures that the hard drive is not the problem, the OS install is not the problem, and no other installed apps. are the problem. 2. Verify that the ram is installed correctly (matching sticks in the proper slots/banks). 3. Be sure that none of the sticks of ram are bad, going bad, or are the wrong ram. This is mostly a "trial & error" process...unless you are 100% sure the ram is not the problem (but ram can always go "bad" even if it is installed correctly & it is compatible ram). If you can eliminate that the hard drive, the OS install, and the ram are not problems...then you are back to the logic board & power supply. One other last thought. The Powermac G5's run hot. They have lots of fans inside...and need lots of fresh cooling air. You may want to open the computer up...and check to see if any of the fans and/or cooling fins of the heatsinks...aren't clogged with dirt/fuzz/dust. HTH, - Nick p.s. Could also be a bad video card issue. [/QUOTE]
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Apple Computing Products:
macOS - Desktop Hardware
PowerMac G5 startup issue
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