My 250gb hard drive has been having problems for a few months now. It works fine for the most part, but when I try to access certain files or folders, my computer freezes completely and I have to do a hard reboot. While troubleshooting, I discovered that back when I replaced the stupid glowing fan in my computer with a sensible black one, I apparently installed it backwards, so it was blowing air AWAY from the hard drives instead of onto them. Oops. I don't know if that was a big enough issue to cause it to overheat, but it's possible it was related.

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