Another issue I forget about was that sometimes the screen gets slightly blurry, and as the mouse arrow is scrolled around, there is a section of clarity that surrounds about a half inch of the cursor. I have also just hooked up a secondary monitor, and if the "wake on LAN" setting is on, when the iMac wakes itself, the screen will freeze while it is still blank.
Same Problem GeForce GT 130 in an early 2009 iMac 3.06 Intel Core 2 Duo, 4 GB, all factory running SL 10.6.8. Started w/ upgrade to one of the later SL's.....As previously mentioned, I think it ran fine on 10.6.3 or so. Have SMC running for the fans, gradually nudging up the speeds to see what keeps the graphics freeze from happening.
Definately occurs w/ web video, video-intense gaming, etc, with simultaneous processes using the graphics chip.
I rankle at the idea I need to go to 32 bit processing, or downgrade graphics performance to use the machine, that's absurd.
I agree NVIDIA and Apple should get together to fix this, unless they are telling us obsolescence for hardware is at 3 years and we just need to get over it and fork over another #2k+. The problem seems uniform enough that a fix is indicated. If nothing else, figure out how to cool the chip better....I think it has it's own fan.
I'm almost at the point of tearing it open and changing the card myself...snarl.
Except that I don't think it is replaceable. Some of them are soldered in. I think it is a 50/50. I haven't tore mine apart yet to find out if mine can. I also see that someone fixed their problem replacing the logic board. I would hate to think that this mistake has degraded the logic board and the graphics processor as well. Aplle has always had a good reputation of their hardware lasting quite a while. At least a decade. It may be a bit out of date, but still functioning. There is no reason that I should not be able to pass this on to my children to learn to use when I decide it is time to upgrade. 3 year disposable computers is not what apple consumers are accepting.
So this is the line I am getting. So in other words as long as you catch the problem and realize it is a problem before your apple care expires, then you are golden. Otherwise Apples defect is your own problem. Apparently they like to design their products to operate for 3 years and then go to **** just to keep making money. Thats a great concept, until the consumer realizes that and takes their business elsewhere. Sounds a lot like the automobile industry.
Sent to Apple today even though they have not answered my emails for the last two weeks at least!
New problem over the last week or so, with finder
Finder has now started playing up. For example you have safari open, then try to open mail from the dock. Mail bounces like its trying to open , but nothing happens. (It may be any 2 apps, even if they are all ready open in dock)
After a few minutes of watching it bounce, you open the force quit app. Its says not responding, so you force quit mail. Normally a apple kernel panic report is generated, but you can not copy to clipboard to send you in mail. As when ever you force quit a app, finder now stops responding. Upon force quoting finder it never reopens. Just get the background desktop with nothing previously on it. No dock or top bar, just the picture. You the have to reopen from power button at back. Of course when it reopens everything is fine for a while. But the apple crash report is never recovered so you can save it to send to apple in mail.
I hope this does not mean a major part is starting to fail due to all these kernel panics? Hard drive logic board memory? If so how do i tell
I first reported this to you on 24th September 2012, and as you know problems started long before that with the snow leopard upgrade.
Again a crash today, finder got all chopped up.
but can't really find any clue in the logs?!
8/2/13 3:21:25.099 PM SmartDaemon: Unknown SMART temperature format: 3b 00 00 00 00 00
8/2/13 3:21:25.122 PM mdworker32: kCGErrorFailure: Set a breakpoint @ CGErrorBreakpoint() to catch errors as they are logged.
8/2/13 3:23:09.355 PM mdworker: Unexpected EOF, returning last token as fallback
8/2/13 3:23:25.221 PM SmartDaemon: Unknown SMART temperature format: 3b 00 00 00 00 00
And then it just hang...
grr lost a lot of work again... 2 hrs further .. back at work ...
Just to add that I have the same crashing issues with GT 120 in 24" early 2009 iMac, Mountain Lion.
Sometimes it will run for a few days, then it will crash 10 times in one evening requiring hard power off/on. It seems to be heat-related.
Very frustrating. Taking it in to Genius bar on Wednesday. Not hopeful.
Just called Italian Apple Customer service. They've said me to send a mail in Ireland, Hollyhill, Cork. I'm going to send it in future days. I'll keep you updated.
Prova a chiamare anche tu. Io sono riuscito a parlare con un ragazzo che mi ha consigliato di inviare un feedback e di inviare una lettera direttamente ad Apple in Irland. Apple ancora non ha riconosciuto il problema. Evidentemente non hanno avuto abbastanza segnalazioni!
Quick update from me:
- I had the same problem with my 2009 imac GT130: corrupted seemingly by Mountain Lion when moved from Snow Leopard), leaving screen crashes, and going back to SL footprint type artifacts all the time.
- Took it to a Genius Bar, they replaced the video card for £130, told me to try ML again within partr 3month warranty.
- On reinstalltion of ML iPhoto causing screen crashes, no perminent damage yet so downgraded to SL. Still not happy about having a potential time bomb
- Built my own Hackintosh replacement: http://www.tonymacx86.com/user-builds/87420-slugnet-clone-i7-3770k-z77x-ud5h-16g b-ram-msi-660ti-power-edition-500r.html
For others here a bit agrieved with Apple I would strongly recommend taking a look at building your own Mac replacement. My build is super fast on SSD, running Final Cut Pro like a dream, costing about a tenth of price of equivalent Pro Mac, I can swap out hardware should I need to, and the peer-to-peer support on the Tonymac site is far superior to any support that Apple gives.
Just advising that Apple phone support asked me to take the iMac into the Genius bar at my local, which I did. The gentleman had no insights on known faults for this model. He ran some stress testing, then reinstalled Mountain Lion.
Unfortunately the fault persists... periodic crashes.
Note that I had no such problems under Snow Leopard until one of the final SL releases before Lion came out. I upgraded to ML to try and fix it but same symptoms. Apple software appears to have broken my Mac... Where does that leave me? I will follow up with Apple again.