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You are here: MacNN Forums > Hardware - Troubleshooting and Discussion > Mac Desktops > dead quicksilver? logic board?

dead quicksilver? logic board?
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loh
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Join Date: Oct 2002
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Nov 5, 2005, 08:03 PM
 
Hey all.

I am having trouble with my quicksilver, tried to upgrade the memory and it didnt show up so i took out the sticks. Replaced them with the original ones and now no boot. When I hit the power button, it lights up, the main system fan spins for a second then shuts off. I am guessing i either killed the logic board, or its the PSU. I tried resetting the PMU, battery and none worked. You guys think buying a new power supply could solve it?
PowerMac Dual 867 - 1 GB Ram - Studio Display - 20 GB Ipod
     
Al G
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Join Date: Jul 2003
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Nov 5, 2005, 10:43 PM
 
When mine behaved exactly that way it turned out that the CPU card failed.
Your Mac could help understand and cure disease
     
loh  (op)
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Nov 5, 2005, 11:39 PM
 
ugghhh, thats what I was afraid of. This is a friends computer, I was using it and it was really slow, so I told him to buy more memory for it, and I guess he went out and bought a new stick but put the memory in backwards and it must have fried the logic board or something. I feel really bad, we took it to the apple store today, and the genius said its either a dead logic board or cpu card. The prices for replacement logic boards are outrageous, is there anything else I can do?
PowerMac Dual 867 - 1 GB Ram - Studio Display - 20 GB Ipod
     
Footy
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Nov 6, 2005, 01:38 AM
 
Oh geesh you can get a Mac Mini for what those things are going for.
     
booboo
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Nov 6, 2005, 05:42 AM
 
Press that little (PMU or CUDA?) button near the battery . . . .

Some QS's were quite flaky in this respect.
     
seanc
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Join Date: Apr 2005
Location: Cambridge, UK
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Nov 6, 2005, 09:54 AM
 
Check on eBay for replacement parts.
     
Biggerfoot
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Nov 6, 2005, 08:28 PM
 
I have gone through similar worries.

You may wish to try to go into Open Firmware and do the normal reset all.

(CMD-Option O and F keys...tye reset-nvram, hit return, then type reset-all, hit return)
     
   
 
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