iMac (21.5-inch, Late 2013) - Technical Specifications
2013 imac 21.5” power issue, replaced power supply twice, still no diagnostic LED on. The Mac will power on after being plugged in for several hours. And then powers on like nothing
iMac 21.5 2013 | eBay
Apple iMac A1418 21.5" Desktop - ME086LL/A (September, 2013) for sale online | eBay
iMac | 2.7 GHz Intel i5 | 21.5 Inch | Late 2013 - Techable.com