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iMac hum?
My new 20" iMac has some sort of low pitch hum to it. I imagine this is the fan spinning. This is my second one (returned the first because of a few dead pixels) and I don't really remember the other unit having a hum (although this is probably because i was too fixated on the dead pixels).
Is this hum normal? I imagine it is but I am just looking for a bit more peace of mind.
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