How to replace flash drive?
I opened up my late 2015 iMac 27 inch retina and was surprised not to find a physical hard drive. My computer crapped out last week after running flawlessly since I bought it new. Ended up with the blinking folder of death. I’m thinking the factory installed 256 GB flash drive failed, how do I replace? What kit do I need? Can I also run a second SSD drive?