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Helpful answers
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Mar 1, 2015 9:43 AM in response to VideomanJoeby lllaass,You have a PowerMac, not a Mac Pro. I requested that yur posted be moved to the PowerMac forum,
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Mar 1, 2015 9:57 AM in response to VideomanJoeby BDAqua,Can you count the beeps or flashes?
1 beep = no RAM installed
2 beeps = incompatible RAM types
3 beeps = no good banks
4 beeps = no good boot images in the boot ROM (and/or bad sys config block)
5 beeps = processor is not usable
In addition to the beeps, on some computers the power LED will flash a corresponding number of times plus one. The LED will repeat the sequence after approximately a 5-second pause. The tones are only played once.
Note: In this case, a flash is considered to be 1/4 second or 250 ms or greater in length.
http://support.apple.com/kb/HT1547
Might be time to replace the PRAM Battery, 4 years is close to their lifespan, far less if ever without AC power, & can cause strange startup problems...
See which one your G5 has, should be the 1st one ..
http://eshop.macsales.com/item/Newer%20Technology/CR2032/
http://eshop.macsales.com/item/Newer%20Technology/BAA36VPRAM/
If you're sure the RAM is good, try the Hair Dryer trick...
http://discussions.apple.com/message.jspa?messageID=13240047#13240047
https://discussions.apple.com/message/15223603#15223603
https://discussions.apple.com/message/15499912#15499912
https://discussions.apple.com/message/15613068#15613068
https://discussions.apple.com/thread/3270112
https://discussions.apple.com/message/16053892#16053892
No power light at all...
https://discussions.apple.com/thread/3692775?tstart=0
It can show on any G5, and even many other computers & electronic devices of the period.
http://www.macintouch.com/reliability/pmg5.html
http://lowendmac.com/ppc/power-macintosh-g5.html
And see this last one in particular...
https://discussions.apple.com/message/16781690#16781690
Heat gun better...
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Mar 1, 2015 1:05 PM in response to VideomanJoeby BDAqua,I think it needs the hair dryer or heat gun thing, bit I've never really understood the "on some computers the power LED will flash a corresponding number of times plus one" statement.
Anyway, seems a RAM/Memory problem, might pull the RAM & clean the contacts with a rubber eraser, try one Pair at a time if you have more than one pair..
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