Re:The Great Apple Keyboard Cover-Up
by xvf22 on Friday July 13, 2018 @11:47PM
(#17528691)
Each of the USB-C ports needs a controller and if any of the four have an issue the computer will not charge.
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One of the USB-C ports on my work laptop recently failed but the machine still charged from the other one.
Was going by this [1] which seems to show that if one of the charging ICs goes bad it can cause the rest not to work. This is probably one of many failure mechanisms.
I believe MacBook Pro has two Thunderbolt controllers, one for each side.