2019 MBP i9 won’t charge or boot from A/C power

[trifona]

intel MBP batteries ran down and won’t charge. I only have a single 96w power adaptor in the house but have confirmed that it charges iPhone and iPad. I have replaced all power cords in the chain.

When connected to A/C the MBP is showing me the symbols to plug it in to charge. I managed to get one last Time Machine backup before it went to pot this morning.

I reset the SRAM but no change. How would you diagnose it from here? Machine has been owned for >5 years used in the home for personal use. MS Office, browsing, media consumption.

 

[Bigwaff]

Assuming you've tried every USB-C port and still not charging...

First, confirm MBP is drawing current by using a USB voltage indicator.

Eversame 2 in 1 Type C USB Tester Color Screen LCD Digital Multimeter, USB C Voltage Current Voltmeter Amp Volt Ammeter Detector USB Cable Charger Indicator DC3.6-30V/0-5.1A

Voltage measurement range: 3.60 - 30.0 V(0.01 V) Current measurement range:0A-5.1A(0.01 A) Capacity accumulation range:0-99999mAh(0.001 Ah) electricity accumulation range:0-99999mWh(0.01 Wh) Product dimensions:60 x 60 x 11mm / 2.36 * 2.36 * 0.43inch 1. Press the Power Button ...

www.amazon.com

If not, possibly a dead battery. I believe the laptop won't boot w/out a functioning battery. You can replace DIY...

MacBook Pro 16" 2019 Battery Replacement

Use this guide to safely remove the glued-in battery from your 16” MacBook Pro with the help of an iFixit kit with adhesive remover. The adhesive...

www.ifixit.com

Otherwise, if MBP drawing current, have repair shop diagnose. Could be components or logic board. Or have diagnose before replacing battery.

 

[ericgedi77]

Mine had this problem. I took it to the apple store, they removed the bottom and unplugged it from the mother board. This reset something and it's been working fine. Best of all, they didn't charge me.