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mystery problem with g4 MDD
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Fresh-Faced Recruit
Join Date: Jul 2006
Status:
Offline
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Lately my last gen g4 MDD powermac has been acting very erratically. now, when I boot I hear a grating "fan" noise and the display will not come on.
I recorded the sound from when I boot you can hear a wav file here
http://homepage.mac.com/p.v.c/FileSharing1.html
I'm thinking my graphics card may be toast, but when I tried booting it as an external firewire drive to one of my other computers that didn't work either.
Any ideas? 
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Mac Elite
Join Date: Feb 2000
Location: Upstate NY (cow country)
Status:
Offline
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failed power supply? They had a program a few years back where you could request a power supply with some design change that wasn't prone to a specific failure. You paid only shipping. Did you happen to exchange it then?
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"Destroy your ego. Trust your brain. Destroy your beliefs. Trust your divinity." -Danny Carey
MacPro Quad 2.66, G4 MDD dual 867, 23" Cinema Display and 17" LCD, G4 Quicksilver dual 800, 12" Powerbook 867, iMac 300 Grape, B&W G3/300 with G4/450 running yellowdog, iPod 5GB, iPod mini, PowerCenter 150, Powercenter 132 tower, Performa 6116, Quadra 700, MacSE, LC II, eMate 300
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Fresh-Faced Recruit
Join Date: Jul 2006
Status:
Offline
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But it turns on. Would it do that if the power supply wasn't working? Are you referring to the ADC power supply?
Originally Posted by memento
failed power supply? They had a program a few years back where you could request a power supply with some design change that wasn't prone to a specific failure. You paid only shipping. Did you happen to exchange it then?
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Mac Elite
Join Date: Feb 2000
Location: Upstate NY (cow country)
Status:
Offline
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you hear the startup chime and that's all you know. Do you hear the hard drive working? Any other evidence of it running? I'm wondering if it's possible that the power supply doesn't have enough oompf to to power everything up. I'm not sure - just talking through what it could be.
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"Destroy your ego. Trust your brain. Destroy your beliefs. Trust your divinity." -Danny Carey
MacPro Quad 2.66, G4 MDD dual 867, 23" Cinema Display and 17" LCD, G4 Quicksilver dual 800, 12" Powerbook 867, iMac 300 Grape, B&W G3/300 with G4/450 running yellowdog, iPod 5GB, iPod mini, PowerCenter 150, Powercenter 132 tower, Performa 6116, Quadra 700, MacSE, LC II, eMate 300
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