35      iPhone_iPad_Mac_apple

Mac switches off when reaching a certain point ...

Hello,

I'd like to better understand why my Mac stops the boot process, I wonder whether there is any specific component causes it and whether this may be the source of the problem. Maybe someone has experience with a similar situation?

Back story:

My MBP Retina (late 2012 model) recently received an unwanted coffee shower (yes, of course with milk and sugar). I cleaned it with medical alcohol as best as I could which included also removing the keys, heat bridge, ventilators etc.

After reassembly, it seemed to boot ok at first. But then the keyboard and touchpad failed. I left it to dry out for 2 weeks and tried again today. The good news is that touchpad and keyboard seem to be working again, the bad news is that the boot process never continues beyond a certain point.

Situation now:

Power + D triggers the diagnostics program. If I leave it there, the machine runs without a problem. If I continue and then launch a hardware test, it will switch itself off after a few seconds. The same happens when I try to run Ubuntu from a USB stick: it keeps running as long as the GRUB screen is there, a few seconds after I select e.g. Try Ubuntu option, it will switch off again.

Do you have any thoughts on this?

Thank you,

k.

最后更新：2017-09-10 22:32:27

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