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Apple Computing Products:
macOS - Desktop Hardware
My G5 freezes and goes to max fan a few seconds after booting
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<blockquote data-quote="mac-men" data-source="post: 1746665" data-attributes="member: 388695"><p>The quad core g5 has always been my dream computer and I finally got one from ebay! But I'm having an issue where when I turn it on, it works wonderfully for about 10 seconds to 1 minute, but then whatever's on the screen just freezes and the fans slowly get louder and louder <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite3" alt=":(" title="Frown :(" loading="lazy" data-shortname=":(" /></p><p></p><p>It arrived with no HD, but I bought a mercury 3G SSD. I stuck it in this morning and booted to the CD drive (a leopard install disk from another mac). It worked perfectly this first time I booted it, and I even formatted the SSD in disk utilities on the install CD. I didn't go through with the install though because it said Mac OS wasn't compatible with the machine but that's because it's just the disk from another mac. I powered it off and went to work.</p><p></p><p>When I got home I made a USB stick with bootable leopard and booted the g5 into open firmware. This is the first time it locked up and the fans went full blast. I unplugged the USB stick and tried open firmware again, but still full blast. I removed the SSD I stuck in earlier and tried again, but nope, still locked up & full blast. I then tried booting from targeted disk with my powerbook but the g5 froze on the boot menu thing that shows up when you hold alt/option (but that same boot menu worked without freezing earlier in the morning!).</p><p></p><p>I googled the problem and reset the SMU. The first time I booted it after that, it booted to the leopard CD no problem! But then I tried again booting into the boot options menu with alt/option and it froze. I tried two more times to boot from the CD and it also froze each time.</p><p></p><p>The weird thing is, it chimes every time I boot it, no matter if it's going to freeze or if it's going to work. Also, when it freezes booting to the leopard CD, sometimes it freezes on just a grey screen before the CD drive revs up, sometimes it freezes after the CD drive starts going, and the apple logo shows up.</p><p></p><p>I don't know a whole lot about Powermacs, and I knew buying this from ebay was a long shot since it's quite old, but honestly I am DEVASTATED right now! I bought an SSD, a quadro, and 8GB of ram for this (I haven't installed any of that btw) but I'm not sure if my machine even works now or not <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite3" alt=":(" title="Frown :(" loading="lazy" data-shortname=":(" /></p><p></p><p>edit: forgot to mention that when it arrived, the video card was slightly loose in the slot (it was missing its screw). The card and the slot look perfectly fine, but I wonder if there's a way I can rule out the video card even though I only have 1 (the quadro I ordered wont be here for a month or so)</p></blockquote><p></p>
[QUOTE="mac-men, post: 1746665, member: 388695"] The quad core g5 has always been my dream computer and I finally got one from ebay! But I'm having an issue where when I turn it on, it works wonderfully for about 10 seconds to 1 minute, but then whatever's on the screen just freezes and the fans slowly get louder and louder :( It arrived with no HD, but I bought a mercury 3G SSD. I stuck it in this morning and booted to the CD drive (a leopard install disk from another mac). It worked perfectly this first time I booted it, and I even formatted the SSD in disk utilities on the install CD. I didn't go through with the install though because it said Mac OS wasn't compatible with the machine but that's because it's just the disk from another mac. I powered it off and went to work. When I got home I made a USB stick with bootable leopard and booted the g5 into open firmware. This is the first time it locked up and the fans went full blast. I unplugged the USB stick and tried open firmware again, but still full blast. I removed the SSD I stuck in earlier and tried again, but nope, still locked up & full blast. I then tried booting from targeted disk with my powerbook but the g5 froze on the boot menu thing that shows up when you hold alt/option (but that same boot menu worked without freezing earlier in the morning!). I googled the problem and reset the SMU. The first time I booted it after that, it booted to the leopard CD no problem! But then I tried again booting into the boot options menu with alt/option and it froze. I tried two more times to boot from the CD and it also froze each time. The weird thing is, it chimes every time I boot it, no matter if it's going to freeze or if it's going to work. Also, when it freezes booting to the leopard CD, sometimes it freezes on just a grey screen before the CD drive revs up, sometimes it freezes after the CD drive starts going, and the apple logo shows up. I don't know a whole lot about Powermacs, and I knew buying this from ebay was a long shot since it's quite old, but honestly I am DEVASTATED right now! I bought an SSD, a quadro, and 8GB of ram for this (I haven't installed any of that btw) but I'm not sure if my machine even works now or not :( edit: forgot to mention that when it arrived, the video card was slightly loose in the slot (it was missing its screw). The card and the slot look perfectly fine, but I wonder if there's a way I can rule out the video card even though I only have 1 (the quadro I ordered wont be here for a month or so) [/QUOTE]
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Apple Computing Products:
macOS - Desktop Hardware
My G5 freezes and goes to max fan a few seconds after booting
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