1 When I open the lid, screen fades to white and goes flickery
When the lid is opened past 30 degrees the screen starts to fade to white and flickers untill you can barely see what is on the screen.
When you close the lid back to 30 degrees its like a switch and screen comes back to normal.
Otherwise works perfectly. Works to external screen ok.
I know older machines had probs with screen cable but they seem to result on screen going black.
Thanks in advance for any help
2018 macbook pro A1989 i7 2.7GHz 16Gb ram
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970 
