Quote: "It looks incredibly simple to replace the hard drive"
You can't be serious. First off, I don't have the proper tools, and don't want to spend $150+ to get them for a one-time use. Secondly, and this is a big one, I have NO LOCATION that would be safe to even attempt it on my own, without the risk of severely scratching the glass, or getting fingerprints/dust on the screen.
If I can't really afford to have Apple replace it, what makes you think I can afford to buy the hard drive and tools myself? The cost would likely be identical, if anything I'd probably only save a few dollars at the end of the day, but with the extra and completely unnecessary risk of damaging more things by trying to do it myself. Plus, if another problem pops up in the future (one I can't fix), and the Apple Store/Repair Specialists see that it was previously opened by me? They'll outright refuse to service me. Look it up, Apple really loves to make sure you don't touch their products.
I can't believe the girl in the video handled the glass panel like she did, just placing it and leaning it off to the side of the desk.
I think my best bet is to just wait a bit, see if one of the Apple Stores in my location can quote me a price, and decide whether or not I want to spend $300+ on a hard drive replacement, or cut my losses with Apple and invest more into my PC and make it a superb multimedia machine. I'm quite tempted to do the latter, because I'm afraid if I spend $300+ additional on my iMac only to have it fry within another year, I'll be out $300+ on a paperweight, and the money could have been used to invest in a better solution.
If I wanted a Mac I should have just saved up for the Mac Pro, but hey, we live and learn.
EDIT: Oh dear. Apparently the fan running as much as it was can be an indication of severe hardware failure, beyond that of a dead HDD. It appears that the logic board could be dying, which is why it can't communicate with the HDD, and it also explains why doing an SMC reset didn't fix the fan running at top speed (which is surprisingly LOUD for one fan!). Also, like I said, the back of the computer got very warm, very fast. So something is severely wrong. From what I can tell, just by looking and assessing myself, it would not be worth taking in to have it fixed, because they would need to replace a lot of main components.
One other issue I forgot to mention that I was having, was that the lower corners had dark and mysterious "smudges" appear. One was always there, but it had gotten darker over the last week, and then another one appeared on the right-hand corner that had never been there before.
Yeah. I don't think it's worth trying to invest money into fixing it. Time to just cut my loss and save money for a more epic PC setup. I may return to the Mac world at a later date, but only if I become a professional video editor.
"If you want to make an apple pie from scratch, you must first create the universe." - Carl Sagan