How do I fix stage-lighting at the bottom of my screen?
Stage Lighting Display Issue
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There are a few areas that can cause this. moisture on the main logic board on the LVDS connector and cable end
The other area is within the display assembly, here, the same connector interface is used. What happens is screen cleaner drips down wetting the connection point causing it to corrode. For either its possible to clean the corrosion and fix the solder joints. Sometimes the connectors are to far gone which will require a new connector or cable. Replacing the connectors are tricky! Without having the correct tools you can damage the LCD or other components on the logic board.
The last issue is the logic board backlight logic needs repairs.
You’ll need to inspect things to figure out whats needed review this guide MacBook Air 11" Early 2015 Display Replacement
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Thank you, clearly a job for an expert, way beyond my skill set and visual acuity.
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Can you give us a bit more info here. When you tilt the display does the effect come and go?
And can you post a picture or two so we can see what you are facing Adding images to an existing question
by Dan