If you have a 2010 or 2011 iMac with a dead GPU btw, check out this thread on the MacRumors forum:
https://forums.macrumors.com/threads/2011-imac-graphics-card-upgrade.1596614/
If you have a 2010 or 2011 iMac with a dead GPU btw, check out this thread on the MacRumors forum:
https://forums.macrumors.com/threads/2011-imac-graphics-card-upgrade.1596614/