So my 1.5 year-old Apple MacBook Pro had its logic board replaced last month and its now got another 3-month warranty on that service. About two weeks ago I'd be using it and chugging along swimmingly when I'd simply move the cursor and it would instantly go dark, the sleep light would go out and the screen would stay "energized" but be totally dark blue-grey. No spacebar or trackpad movement would "wake" it but the "sleep" light would go out. The hard drive kept running, as well as externals. The sound button wouldn't respond. Happened under AC and on battery. It required a restart and it rebooted normally, albeit slower than normal.
This happened 5-6 times in a day so I took it back to the local Apple Store and the "Genius" took it in, no idea what it might be but saying that they would "stress test" it for a few days. Four days later they gave it back to me saying they could find nothing wrong with it. That same afternoon at home it did the same blue-grey energized screen 5 times within 5 hours. Once I left it alone for 30 minutes and it rebooted itself, relaunching the same apps and reopening the same documents I was working on! (But failing to load the fonts on restart -- odder still...)
But now it has performed flawlessly for 48 hours.
What the hell is going on?
I am tempted to think this is some sort of Mac virus at work but nahh, there is no such thing, right?
Or it's haunted.
Any advice?
(I'm a long term Mac user and pretty experienced, so please explain your theories...)
If it happens again I'm thinking of reformatting and do clean installs of everything, avoiding importing old mail and browser content. In the meantime I am not going to overwrite old back-ups in case I've picked up a bug...
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