Since the stickers are disposable, the monitor cannot be reinstalled tightly. So every time the a1419 display is disassembled for repair or upgrade, the adhesive strips has to be replaced.
Compatible Models: Replacement for iMac 27" A1419 (Late 2012-Mid 2019).
Before you start placing strips,remove all of the old adhesive.
Please heating the adhesive strip before installtaion to make sure the adhesive tape tightly stick to the liquid crystal.press the edge of panel and let the panel lay down for a few minutes.