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G5: 3 blinks and no boot [message #33283] Tue, 15 January 2013 11:50 Go to previous message
<valter.prahlad is currently offline  <valter.prahlad
Messages: 4
Registered: January 2013
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Hi all, my trusty PowerMac G5 DP 2.7 (Early 2005) isn't trusty anymore. :-(

Yesterday I was reading my e-mails (in Entourage 2008), and it suddenly froze.
After powering it down and restarting, it won't boot and the power light does 3
blinks, pause, 3 blinks again, on and on.
Apple info says it's "Incompatible memory (RAM) is installed".
But the Ram is the same it was for the last 2 years.
Besides, I tried a couple of Ram sticks I had around, and it does the same; so n
o, I don't think it's really the memory.

Anyway, lots of info on the Net about this event, and quite often it turns out i
t's the logic board (or the memory slots) "gone bad", probably due to lead-free
soldering gone broken somehow (Google "tin whiskers" for some scary stuff).
Although most reports like that are about G5s older than mine.

I've collected answers and suggestions and I'm going to try them, but I wanted t
o ask here, in case some member had similar trouble and found a solution.
The funniest advice is to blow your hair dryer onto the memory slots for some mi
nutes :-D and it seems the best working, but it's usually just a temporary fix.

I hope for some magic or voodoo now. :-)
It would be a waste throwing this beautiful machine into the bin.

TIA,
Valter

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