The 2017 iMac 27 inch A1862 is a powerful workhorse, but when it breaks, you need an expert. At My Cell Repair in Santa Rosa, California, we offer Full Service Repair for this model including logic board repair, power supply replacement, screen repair, fan fixes, and SSD upgrades. We are a local Santa Rosa shop, so you never have to ship your large iMac anywhere. Stop by our Santa Rosa shop for professional service.