Your 2017 iMac 21.5 inch A1418 is the last of the 21.5 inch Intel models, and it deserves proper care. At My Cell Repair in Santa Rosa, California, we provide Full Service Repair including SSD upgrades, logic board repair, power supply replacement, screen repair, and fan replacement. We also handle operating system reinstalls and data recovery. Bring your iMac to our Santa Rosa shop, and we will diagnose the issue and get you back up and running.