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I noticed that the display on my Macbook Air 2013 13” glitches and flickers when I move the hinge of the display. This came out of nowhere and just started today. For the past year or so, the hinge has been somewhat broken as it over-extends back past the normal viewing angle range. The hinge is still strong though. I haven’t noticed any display problems before this. I tried a SMC and PRAM reset. I also opened the laptop up to get rid of excess dust and reseat the battery and display connectors. I looked around and it seems like maybe the display connector is strained? Would that require purchasing an entirely new display or can the connector be replaced separately? Thank you for your help.

You’ll need to take the display off to tighten the hinges. The LVDS cable has gotten damaged from the hinge in this state. Here’s the guide: MacBook Air 13" Mid 2013 Display Assembly Replacement. Once off you can slide the clutch cover off to expose the lid side screws. You may need to replace the cable MacBook Air 13" Hinge/Clutch RH - LVDS Cable, Apple P/N 661-02397