Q: is something wrong with my screen or is my iMac G5 PPC fried?
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May 16, 2012 8:33 AMby a brody,This is why you should always backup your data:
https://discussions.apple.com/docs/DOC-1992
Thankfully many an iMac G5 are able to have their hard drives removed and put inside an external case.
http://support.apple.com/kb/HT2278
Note, replacement hard drives are hard to find, as many that have higher than a 1.5 Gbps bus also need a special jumper to work with the slower bus, if they will work at all. What troubleshooting steps have you tried? Can you get the machine to show anything on the screen?
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May 16, 2012 9:49 AMby kweems.sr,i've had this mac since december, everything was working fine. this past saturday i turned it on and had a gray screen. that was the first time it happened. i unplugged everything, it took a few times but i was able to get it to boot. it seemed to be working normal, so i opened some apps, mixed two songs then shut it down. monday i turned it on, same **** thing happened gray screen. i tried some troubleshooting steps found on this site but nothing is working so far. i was able to get command prompt on the to type but no luck so far. your expertise is needed, i see you've given people on some good advice in these discussions.
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May 16, 2012 9:56 AMby Limnos,Mac OS X: Gray screen appears during startup - http://support.apple.com/kb/TS2570 - OSX 10.4-10.6
I would like the second the need for a bootable backup of your computer's drive at all times. If a business is dependent upon a functioning computer then an investment of $100 is a relatively minor item. Better yet, get several backups. In addition, with a G5 you can run Time Machine which while it won't produce a bootable backup it does at least back up your files against other loss.
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May 16, 2012 12:28 PMby a brody,For the logicboard. If you are lucky to find someone still replacing the logicboard with the good capacitors, then it isn't doom for it. There was a repair/exchange program for those logicboards that had bad capacitors that now has expired. In the future it always pays to check the programs on http://www.apple.com/support/exchange_repair/ even after your warranty expires. This capacitor problem was industry wide problem from 2004 to 2005.
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May 17, 2012 1:20 PMby a brody,HelpfulAll that means is the firmware can't find a drive with a valid boot partition. As the firmware is powered by the logicboard, the bad capacitors could prevent you from seeing perfectly healthy drive. Either put the drive in an external case to see if it is readable, or find if someone has a working logicboard and power supply for your vintage machine.
