Seems to have fixed our machine too. Oddly enough, after dealing with this issue for over 6 weeks, we finally took the machine in on Thurs to the Apple Store to have it fixed. While at the Genius Bar, after declaring the machine needed a new video card, the Genius decided to run Software Update one last time to update it to 10.4.11 I had run the Update just before coming in to see if there had been any patches, and there weren't. But then, suddenly, here was this new "iMac Graphics Update 1.0" that had been posted while I drove into the Apple Store. We installed it at the Genius Bar, and could not get it to freeze thereafter. So, just moments from it going in for repairs and being without it for 1-2 weeks, it was fixed and home again. Seems good so far, but am holding my breath for the next few weeks of real use, just to make sure....
Not so happy to join this discussions. My iMac was frozen since i bought it with tiger (less than 2 months), i thoung that installed leopard will fix it but it dosen't. now I just can log in on safe boot (pressing shift key on reboot). I'm moving my files to an external drive and try to see if the apple service can do something.
But everybody here like me are telling our sad histories, but is not any Apple member that can give a solution for this. is bad for apple to have so many disappointed customers.
if some one know a good way to fix it please let we know it. thanks.
by the way, i haved seen that the system keep running even i can't do anything on the screen because i can login with ssh from my macbookpro and from there i can do a **/ sudo shutdown -r now **/ and this restart it, so if just the video that is not working.
I'm about to replace my MacBook Pro with a new iMac but obviously I have my doubts. Can anyone give some feedback regarding the firmware update? Did it solve your freezing issues? After reading every post only a couple of people refered to the update effects.