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Le dernier ordinateur de bureau Apple à petit format, équipé des puces M1 Max et M1 Ultra.

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My Mac Studio Randomly Drops Video After Update to MacOS 13.5.1

The unit's video output randomly "blacks-out" for varying periods of time, and the condition began immediately after updating to the current version of Ventura 13.5.1. I tried swapping out cables and monitors with no success in resolving the problem. I did a clean re-install and sequentially up-dated into MacOS 13.5.1 and ran under that release version problem-free with continuous video for 6 days until this morning, when the random "blacking-out" of the video feed to the monitor began again. I have "chatted" with Apple about the situation but they had no suggestions beyond what I had already done. Any guidance or suggestions would be gratefully received. Thank you.

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Although I agree with @danj that seeking warranty assistance may be necessary—and timely—I would want to suss out a few more things before jumping to SoC failure (although that is certainly plausible).

Have you tried running in Safe mode? If these drop outs also occur there, the issue is much more likely to be hardware in my opinion. But the fact that it occurred after an update makes me wonder about software, a third party app interfering or something of that nature.

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Thank you very much, Alisha C. I have taken your sugestion to heart and used the system for the last couple of days through the "Safe Mode" start-up and while this has reduced the number of "black-outs" the little computer still has the occasional blink of about a second or two. So you've bought me time to make arrangements for service. Thank you for answering and giving me your suggestions

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Don’t waste your time! Get the system to Apple as your warranty window is closing!

The SoC chip is failing, this happens as the thermal coefficient of the connections between the chip/carrier/logic-board change so you loose the signals.

Basically you need a new logic board

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Thank you very much, Dan. Not only just for answering but for suggesting the direction with hardware. Thank you.

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hi, i have the some problem too but i solved with a thunderbolt monitor

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@fiorecapaccio - That tells me Apple messed up in the OS update! I would visit an Apple Store as the systems are designed to support mDP displays.

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@danj is right, sounds like some messed up software. My Macbook air M2 is running 13.5 just fine and i have an intel running 13.5.1 working well. Sounds like something with mac studio has fluffed up in the OS update.

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Peter J Stevens sera éternellement reconnaissant.
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