i have a power Mac G5.that stop working on me i recently... i replace the power supply, motherboard, and cpu. when i power it on the light comes on and the fans come on but only for half a second then nothing. Wont bootpower up at all... what could be the problem?
PowerMac, iOS 5.1.1
Hi, do you know which exact G5?
If you don't know the model, find the Serial# & use it on one of these sites, but don't post the Serial# here...
http://www.chipmunk.nl/klantenservice/applemodel.html
http://www.appleserialnumberinfo.com/Desktop/index.php
How to find the serial number of your Apple hardware product...
http://support.apple.com/kb/HT1349
Does the power light flash?
yes here it is.... when i power it on i get a quick light flash just one and the fans kick on for about a half second then nothing...
Model introduced: 2004
Production year: 2004
Production week: 50 (December)
Production number: 1574
Model introduced: 2004
Name: PowerMac G5 (June 2004)
ModelCode: g5_june_04
Model Number: M9457
Group1: PowerMac
Group2: G5
Generation: 2
Machine Model: PowerMac7,3
CPU speed: 2.5GHz
Memory - flavour: DDR1-L-400
Memory - number of slots: 8
Memory - largest module: 1GB
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
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/thread/3061091?answerId=15223603022#15223603022#15223603
https://discussions.apple.com/thread/2620983?answerId=15499912022#15499912022#15499912
https://discussions.apple.com/thread/3175959?answerId=15613068022#15613068022#15613068
https://discussions.apple.com/thread/3270112
https://discussions.apple.com/thread/3287993?answerId=16053892022#16053892022#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/thread/3507385?answerId=16781690022#16781690022
Heat gun better...
i have a power Mac G5.that stop working on me recently...
