Best Choice:If your iMac desktop doesn't turn on, has a black screen, burns out, or has a failed power supply, replacing the power supply maybe the answer. This 300W PA-1311-2A power supply board can perfectly solve your computer's random shutdown defect area, it will be your best choice.
Compatibility:This new 300W power supply is replacement for all iMac 27" computers with model A1419 (Late 2012-Mid 2017)and A2115(Early 2019-2020).
Return Policy: This item can be returned in its original condition for a full refund or replacement within 30 days of receipt.
Tips:This is not an easy job for someone who has no technical skills with disassembling or assembling laptop.replace a faulty, cracked or damaged PSU power supply,so only purchase this item if you know how to install it.