361      iPhone_iPad_Mac_apple

iMac progress bar then black screen

Suddenly, iMac won't boot.

I tried reset SMC, NVRAM, Cmd+ V, reinstall High Sierra : no avail.

The logo appears, the progress bar then black screen (but I can hear the machine is on when nearing my ear from the rear vent).

最後更新：2017-10-07 19:58:29

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