A1706/A1708 flex gate issue

Is there a way we can identify looking at the pictures which cable is bad on the display assembly?
Sometimes I get the usual backlight cable damage, Physically visible, Then I normally change the cable (I mean patch another cable with the existing cable).

Sometimes I don't see any physical damage on the cables, But there will be vertical /horizontal lines on the display... But suffering to figure out the damaged part in such cases
 

it-solve

Member
Not all will fail the same way. However, usually, cable cracks if it is caused by stretching.
Check this out -
 
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