Every once in a while when the the top half (the screen) gets moved or wiggles a bit, the screen goes blank for like a half a second.
What could I do to further diagnose and/or fix this problem?
EDIT: Update - now I only notice it after long periods of inactivity. There isn't any real problem when I move the screen open/closed. It only happens when it gets booted up, or after we haven't used it for a few hours. Any other suggestions?
Stuff gets hot, it expands. Stuff gets cold, it contracts. An intermittent problem, with symptoms that suggest a physical cause, is often the result of thermal expansion/contraction causing an intermittent open or short circuit. The fact that it happens only when you haven't used the computer in a while (when it's colder) supports this theory. If it only happened after the computer had been on for a while that would also be consistent with thermal expansion.
It could be the connector on the screen cable where this is happening, or it could be a microfracture in the cable itself.
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