MacBook Air M4 A3240 Screen Replacement | Complete Step-by-Step Repair Guide 2026

Learn how to replace the screen on the MacBook Air M4 A3240 with this complete step-by-step repair guide. In this video, I show the full display replacement process, including safely opening the MacBook, disconnecting the battery, removing the damaged screen, installing the new display, and testing the final result. This repair requires careful disassembly and the correct tools, as the A3240 has a different internal layout from earlier MacBook Air models.