Currently Being ModeratedOct 19, 2012 6:04 AM (in response to gdecesare)
Well, I don't know if the heat is causing the issue or not, but from the moment the videocard is causing troubles, it doesn't matter if the system is warm or not, it would lockup almost instantaneously at startup.
At the beginning, my screen was displaying a white or light blue screen with sometimes some clear vertical lines in it.
After a while, the system was not able to start up anymore, the only thing showing was a white screen.
Strange tho: the Apple logo and partition selection was showing just fine, but as soon as the video drivers were addressed, the system locked up (also in Windows 7!).
I'm not sure about the temperatures, but my system is quite hot ATM: it's almost uncomfortable to keep the hand above the air slot (left side), and the back of the system is quite warm (after 30 minutes of Diablo 3 OS-X version).
But that wasn't a problem for a year, and I've played huge MMORPG's at full settings in Windows 7 (bootcamp) and it was very stable: Tera, SWTOR....
@ rkaufmann87: yes I'm aware of that, thanks. I only hope that IF this happens, I won't get a refurbished one because in that case, I rather keep mine.
Currently Being ModeratedOct 20, 2012 11:23 AM (in response to gdecesare)
Hope your system is ok now. Just passed by to give a update on my situation, as a matter of information.
My mac doesn't even start anymore. So, it doesn´t seem to be heat related (I still accept the possibility that it was heat related, and it degraded into somethig else).
And the applecare center are kinda hard on my country, there are no apple stores, only third party companies that are signed by apple.
Also, there was a problem with a few hard disks on some macs, and I got an e-mail saying that I should change mine (for free, it´s a recall), I hope that solves the issue. Gonna drop the computer at that store this week.
I intend to try to boot from the install system before that, if it is a disk problem, that system should boot from another disk, I believe.
Even so, I had another imac in the past that lost performance in games after a while, so I bought a PC for that now (that´s where I´m typing).
I intend to repair my mac anyway, or buy a new one in a few months (worst case scenario). The PC should be for games only, I don´t intend to work on a windows based machine anymore, MacOS is the best thing about apple, imo.
I´ll let u guys know of any news. Hope my info helps anyone with a similar problem.
Sorry for any English mistake, it´s not my natural language.
Currently Being ModeratedOct 20, 2012 12:16 PM (in response to Yorick_ibazar)
Yes, it's working so far
Well, my system was like yours, first it had some lockups (heat related or not, I don't know) and after a while, the system wouldn't boot up at all.
At the first repair, the mainboard and videocard were replaced, but a week after the repair, I had similar video issues and the videocard had to be replaced again.
If you got no power from the usb ports, then you can almost be sure the mainboard is dead (too).
Btw: English is not my language either, but I'm certain we are doing better than some native English posters
Currently Being ModeratedOct 22, 2012 6:09 AM (in response to Denus01)
Bad news: the issue is back!
And the system must be repaired one other time before a replacement can be done by Apple.
3 repairs in one month: that's epic!
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