Help please to revive my imac G5 that is apparently exhausted!
No matter what apps I am using my imac screen keeps going black at random , and then the sleep light comes on. I either have to re-enter my login password or occasionally just press the mouse or a key and the screen opens up again, so that I can continue for a many moments as the screen will allow before it sleeps again. I have used disc utility and the HD seems to think it is OK. There are several permissions issues logged when I repair permissions, it says permissions repaired at the end but there were some warnings logged, I have no idea if they have anything to do with it.
Should I reset SMC or PRAM or anything else?
Really any help will be greatly appreciated.
The local apple store suggested not letting the screen sleep or using a screen saver in system preferences, i am seeing if that makes a difference now.
Hi Dale, I'm back again, earlier than I thought. I just had to try your suggestions.
I have reset the SMU, according to the apple advice pages. I am assuming from the information that that is the power mac version of SMC. IF not can you point me in the right direction please. The link for resetting SMC on your email did not work for some reason.
I tried Disc Utility starting up from the install disc, but the screen kept freezing. I will clean the disc and try again if all these other methods have not worked.
I did a safe boot instead.
I deleted the two .plist files: Library/Preferences/SystemConfiguration/com.apple.PowerManagement,plist
users/username/Libary/preferences/com.apple.systemuiserver.plist
But the Library/Preferences/SystemConfiguration/com.apple.Autowake.plist was not there!!
Once I had restarted the computer again the 'PowerManagement'plist and the 'AutoWake"plist had not been replaced, but the "com.apple.systemuiserver.plist was back.
I have no idea if all this is OK. Or what happened to my missing file/files.
I am now putting the sleep option back to 30 mins. to see if all this has made a difference.
Look forward to hearing your advice on this, thank you so much, Jenny
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Message was edited by: risingforce71Maybe someone else can give a clear idea of what is "normal" - someone asked that last week.
http://discussions.apple.com/thread.jspa?threadID=1897676&tstart=15
As for iStat, I would rely on Hardware Monitor, it is more accurate, or the free version which is Temperature Monitor.
SmcFanControl was updated to 2.2 recently but I didn't check to see if it supports Mac Pro 2009 "Nehalem." It may or may not.
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http://www.apple.com/macpro/specs.html
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http://support.apple.com/kb/HT1806
http://www.apple.com/support/macpro/
http://macperformanceguide.com/
Not everyone likes to be asked what they don't know, and can respond inappropriate. They probably just didn't know.
http://arstechnica.com/apple/reviews/2009/04/266ghz-8-core-mac-pro-review.ars
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http://search.live.com/results.aspx?q=macpro+2009temperatures
http://en.wikipedia.org/wiki/Mac_Pro -
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