The term "computer bug" actually came to be because of a real live bug inside a computer. Perhaps you've stumbled upon the first computer "bird".
You could actually have a covey of problems. This might fly in the face of logic, but it's worth checking to see if any of the moving parts are feathered in any way. And check to see if pieces of debris have flocked to form a nest in there, perhaps around the fans, robin the free flow of air. One piece of debris might be harmless, but toucan reallyfowl up the works.
I initially thought that answer number one was eggsactly what was causing the problem. But then answer number two showed its plumage, and it may have wings as well.
Keep us abreast of what’s going on. We’ll preyyou get a solution.
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Actually, this answer is no more than a lame attempt (emphasis on lame) at “bird-brained” humor (obviously), and is not intended in any way to simply grab a share of the points. So please, reject thisanswer. In my estimation, numbers one and/or two are correct.
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But then again, perhaps someone else has a pigeonholed answer. Then I'll have to eat crow. (That would make me feel like a real dodo.)
Maxwell’s maxim:
It’s hard to soar like an eagle when you’re cooped up with a bunch of turkeys.