Shutdown suddenly. It works only with SMC reset (every time)

Hello All,

I have a Macbook Pro 2017 15" with TouchBar (late-2017) version. So battery is non-removal.

My MBP is not open properly. It goes to shutdown when Apple Logo appears. (some time It goes to shut down after loading bar filled %70-%80)

I could only start it with SMC Reset (Control+option+shift+...+power button)

I don’t know why but I tested;

  • nvram reset
  • OS reinstall (So I am using Catalina now yes)
  • disk repair (w & w/o recovery mode)
  • AHT - Diagnostic tool (Power Btn+D)

When I check Power Management Logs from system information / Logs Tab.

I saw an error message when i try open mac properly (just pressing power button), "SMC shutdown cause: 0: Battery disconnected".

I investigate to SMC Firmware update because it might be broken but it's not possible latest mac's smc firmware update or reinstall.

  • I investigated to Power Management Logs, here is it;

2019-10-17 20:24:19 +0300 ShutdownCause           SMC shutdown cause: 0: Battery disconnected

Sleep/Wakes since boot at 2019-10-16 12:02:49 +0300 :17   Dark Wake Count in this sleep cycle:1

Cause looks like “SMC shutdown cause: 0: Battery disconnected “

It doesn’t make sense, I don’t have any problem battery because after I opened to Mac with SMC Reset, I could use my mac without charging until battery left.

Ответ на этот вопрос У меня та же проблема

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