-
All replies
-
Helpful answers
-
Nov 13, 2013 10:28 PM in response to Jacquerineby mende1,Welcome to Apple Support Communities
From what we know, your 24-inch iMac has got a replaceable GPU, so you can replace it if you want, and users say it can be replaced by a NVIDIA GeForce 8800 GS, which is supported by iMovie 10.0.
Apple won't help you do that, so you have to get the GPU yourself and install it yourself