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  1. 이 단계는 번역되지 않았습니다. 번역을 도와주십시오

    : 1 단계, 이미지 1/1
    • Open Terminal.app

  2. 이 단계는 번역되지 않았습니다. 번역을 도와주십시오

    : 2 단계, 이미지 1/1
    • Copy and paste the following command in your Terminal window:

    • log show --predicate 'eventMessage contains "Previous shutdown cause"' --last 24h

    • The "24h" portion of the command can be changed to any number of hours, depending on how far back you need to see.

  3. 이 단계는 번역되지 않았습니다. 번역을 도와주십시오

    : 3 단계, 이미지 1/1
    • The previous shutdown causes in the timeframe you selected will appear as a list.

    • Common shutdown causes include 5 which indicates a normal shutdown, 3 which indicates a hard shutdown (i.e. holding the power button), and 0 which indicates the power was disconnected.

    • A list of shutdown causes can be found here: Shutdown causes (from George Garside blog)

결승점

다른 23명이 해당 안내서를 완성하였습니다.

첨부 문서

Jonah Aragon

회원 가입일: 08/05/18

5,339 평판

안내서 5개 작성하였습니다

Experimax Coon Rapids Experimax Coon Rapids 회원

Business

3 회원들

안내서 17개 작성하였습니다

댓글 13개

For me it says

kernel: (AppleSMC) Previous shutdown cause: -20

The attached PDF (and the internet) doesn’t seem to have any information about this code. What’s the source of the codes for the PDF? Maybe they have updated listing for shutdown codes.

Saurabh Shrivastava - 답글

we also have -20 as a cause and have no idea what it means. did you ever find it out?

octomobiki -

I also have -20 code of shut down after macOS 10.15.5 update with MBP 16inches model.

but no information at all….

赤月小黄泉 -

writErr = -20, /*I/O System Errors*/ its this error for code -20 .. Find all error codes here :- https://krypted.com/lists/comprehensive-...

UNKNOWN X -

Sorry , that was not related, check this one : - https://georgegarside.com/blog/macos/shu...

and, error code 20- T2 security chip initiated shutdown

UNKNOWN X -

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