Chosen Solution
I have taken the glass front off of my imac. I am trying to get to the video or graphic card
You will have to get a new logic board as far as i know
This model doesn’t not offer a discreet AMD or NVIDEA GPU. This system only leverages the Intel graphics engine. Review the iMac Intel 21.5" EMC 2638 Teardown Jump down to Step 4 for the full break down of the chips on the logic board.
