Wait for Diagnostics to finish (this typically only takes a few minutes).Immediately press the D key and keep it down until you see the Diagnostics screen appear.Your model MBP uses Apple Diagnostics to test its hardware. If you still can't get it charging then it's time to test your hardware with Apple Diagnostics. Let go of all three keys and the power button.the keys will end up being held down for 14 seconds, the power button for 7 seconds) Press and hold the right shift key and the left option and control keys for 7 seconds before then also pressing and holding the power button (or Touch ID button) down for another 7 seconds (i.e.If it's still misbehaving, reset the SMC again but with the following steps instead: Once you've reset the SMC see if you can charge your MBP. Let go of the power button and wait 5 seconds.Press and hold the power button for at least 10 seconds.Resetting the SMC on a MacBook Pro with T2 chip installed I don't fully agree with the steps outlined in the article you reference for resetting the SMC on a MacBook with the T2 security chip installed.
#Macbook pro 2018 charger update
I will update if the problem persists in the absence of this hub. I'm starting to suspect that this accessory is at least a necessary cause of the behavior. The only other common thread I've discovered is this: every time this behavior has occurred, I have been using an accessor hub called "dodocool Aluminum Alloy 7-in-1 Multiport Hub with dual USB-C Connectors, model: DC53.
Apple Hardware Diagnostics indicated nothing technically wrong with the machineĬlassic bizarro intermittent problem. the battery was able to be charged after some period of "rest"ī. This is starting to look more and more like a hardware issue related to the USB-C/Thunderbolt controller.Ī trip to my local Apple authorized repair shop (after my battery had completely drained) revealed that:Ī. Is there something obvious that I haven't tried?Īpparently some of my USB-C/Thunderbolt 3 ports have ceased to function as well.