The logic board of the iMac (21.5-inch, Mid 2014), model A1418, 2014, 21.5-inch. Known faults are being collected.
No guided tree is live for this board yet. The profile, the viewer and manual entry are there on the free plan, and the first sessions on it build the tree.
Checked on 2026-10-29 against 2 sources: corrected. Info 'Late 2014' changed to 'Mid 2014' (year 2014 unchanged). Beetstech (PPN 820-4668-A: iMac14,4 Mid 2014 MF883LL/A 1.4GHz Core i5), an eBay listing (Mid 2014 i5-4260U) and iFixit (EMC 2805 1.4GHz) all place it in the Mid 2014 model; everymac EMC 2805 = iMac14,4 introduced June 18, 2014. Apple has no Late 2014 21.5-inch iMac. Revision A is a placeholder until Studio records the real revisions.
Open the board in NextProbe, answer the symptom questions and follow the lit point. The free plan includes three guided sessions a month. Your own boardview and schematic stay on your machine.