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Big Sur OS 11.4 Charger light / battery Issues

Since my computer updated yesterday to Big Sur11.4 the amber light on the charger connection to the Mac is on constantly.


Even overnight left unused the amber light was still showing this morning, the battery shows 100% charged.



This issue occurred after the 11.4 System update. This never occurred before the update to 11.4, as the green light always showed previously.


I've cleaned the computer cache and restarted the computer but the issue still persists.


Any ideas what is causing the amber light on the charger cable connection to the computer to remain on? Thank you.





Posted on May 27, 2021 2:48 AM

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Posted on May 27, 2021 4:04 AM

Sometimes during an update, the SMC needs a nudge to get back to norma. How to reset the SMC of your Mac and perform this action 3x consecutively and then test of Green Light returns to normal operation.


3 replies

May 27, 2021 5:43 AM in response to PRP_53

Greetings and many thanks for the reply P. Philips.


The link that you gave me worked 100%, so grateful for the advice.


Actually, pure laziness, although I am using a laptop I first tried the solution for a desk top and it worked.


Desktop computers with the T2 chip

  1. Shut down your Mac, then unplug the power cord.
  2. Wait 15 seconds, then plug the power cord back in. (I didn't plug the power cord back in)
  3. Wait 5 seconds, then press the power button to turn on your Mac.

Then I put the Power code back in. And it's back to normal.


Thank you for the advice as I was unsure whether the battery had an issue and was charging, so good to know all is resolved.


I may have to follow the instructions for a laptop next though.

I've found that since the previous update to 11.3.1 that when the laptop goes to sleep - with the lid up - it won't wake up again and I have to restart the computer. This has continued with the 11.4 update; so the T2 chip could also be at fault according to the URL link you gave me.



Big Sur OS 11.4 Charger light / battery Issues

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