Mac mini not powering on with 'No signal' message

When power turned on on screen msg “No signal. Entering power saving mode”.

when the power button at the back is pressed, no response and LED in front does not light up.


[Re-Titled by Moderator]

Original Title: Mac mini stopped working

Mac mini, macOS 15.6

Posted on Aug 15, 2025 2:09 PM

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Question marked as Top-ranking reply

Posted on Aug 15, 2025 2:19 PM

Sorry, please ignore this posting.

the power plug at the back came undone, but stayed in place giving me the illusion it’s connected.

unplugged & reconnected, works fine now.

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Mac mini not powering on with 'No signal' message

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