Boot fails screen square block fan runs

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Dual 2Ghz G5 /10.3.9
Hi. This is a G5 quad core. Won't even boot with the boot DVD, but stops with a small square box on the screen. Box is pixelated. Anyone ever see that? Fan cranks up after a minute or two.
 

chscag

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My uneducated guess is that perhaps the video card has failed. We have several of our members who have lots of experience with older Macs, hang on until you get a reply from one of them.
 
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Is it the liquid cooled 2.5GHz model? If so check inside out for leaks at connections and hoses. Does sound like a major problam alas.
 
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Hi Folks:
This might sound funny but I booted fine into a retail 10.5 OSX install DVD! The OEM G5 DVD must not be compatible.. I also have a 2003 version dual G5 which came with the grey DVD, but I guess they are so custom to a specific machine.. The dual has a video card that will not even plug in this.
How rare this must be.. I wonder if I could even get an OEM DVDD for this..
A1117 g5 quad 2.5GHz.
Yea. Looks like a radiator behind the fans. Computer had mismatched RAM in it too, I know is a no-no.. I can hardly believe it is working! Case is bent up from shipping..
Thanks Folks!
Hydro
 

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