It's Apple part # 661-4990 and can be replaced. Here's the guide on doing it: http://www.ifixit.com/Guide/Repalcing+iMac+Intel+24-Inch+EMC+2267+Graphics+Card/13765/1[guide|13765] Here's the part: http://www.powerbookmedic.com/Intel-iMac-24-NVIDIA-GeForce-GT130-512MB-Video-Card-p-24196.html
It's Apple part # 661-4990 and can be replaced. Here's the guide on doing it: http://www.ifixit.com/Guide/Repalcing+iMac+Intel+24-Inch+EMC+2267+Graphics+Card/13765/1[guide|13765] Here's the part: http://www.powerbookmedic.com/Intel-iMac-24-NVIDIA-GeForce-GT130-512MB-Video-Card-p-24196.html
It's Apple part # 661-4990 and can be replaced. Here's the guide on doing it: http://www.ifixit.com/Guide/Repalcing+iMac+Intel+24-Inch+EMC+2267+Graphics+Card/13765/1
It's Apple part # 661-4990 and can be replaced. Here's the guide on doing it: http://www.ifixit.com/Guide/Repalcing+iMac+Intel+24-Inch+EMC+2267+Graphics+Card/13765/1