Please help me!! My Power Mac G5 is stuck at the grey apple logo screen and nothing is working!
My computer froze a few weeks ago and I got a grey screen that told me I needed to restart the computer. When I restarted, the computer froze on the grey screen with the apple logo. No pin wheel. Nothing. Eventually the fan begins running at warp speed. I've scoured this discussion board for a solution and I've read every possible thing I can find on the Internet regarding this issue. Nothing is helping. I've tried reseating memory, resetting PRAM, I replaced the PRAM battery, all the standard stuff on the message boards. I can't run a disk, i cant boot from a disk holding down c, but I can hold down the option key to open the hardware test, I've done the extended and short test and passed both.
When I hold the shift+command+v it tells me-
com.apple.driver.appleintelcpupowermanagement isn't a valid Mach-o (magic is cefaedfe)
Error mapping module file com.apple.driver.appleintelcpupowermanagement
Can't map com.apple.driver.appleintelcpupowermanagement in preparation for loading
Can't determine dependencies " "
Can't alloc class " " blah blah blah
I'm pretty sure this is some sort of kernel panic. This computer has been pretty much trouble free in the 8 years I've owned it. I had recently upgraded iLife to iLife 07 before the trouble happened.
I've also been able to get it to boot once or twice since then. I get a message that says" the computer was shut down blah blah do you want to send a report to apple?" I'm able to do some basic stuff like back up some pictures onto my external hard drive and then it will freeze again and the fan will come on. While I had access to the desktop I checked the disk repair permissions and they were all messed up. I tried repairing permissions but I don't think it worked. Also the time and date was messed up which made me think it was a battery thing. Lately I haven't been able to boot at all past the apple screen. I don't have much money but I have to get this fixed!
Some specs--
Power mac g5
CPU @1702037.8 ghz
Boot rom version 5.2.4f1
Memory 8 gb, 400mhz
Pmu/fcu versions:127/6.0.1 f0
Running OSX 10.5.6
Just to be clear this is the power pc from around early 2005, not the intel based g5, not the water cooled one, and not a Mac Pro!
Please help me!!
HI, have you blown the dust out lately?
Does it boot better/further if allowed to cool?
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...
https://discussions.apple.com/thread/3916312?tstart=0
If we don't get more help or answers here, feel free to join my site & ask...
http://x704.net/bbs
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