New to iMac's

Dave26 said:

I've been seeing a few posts where people have said that they leave their iMac for a few hours before turning it on when they get it, is this something you would all advice or is it just something that some people do for no reason??

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That sounds awfully silly.

Also i've been seeing a few people and even a thread that complains about the Fusion Drive, screen yellowness and screen bleeding. Do you guys think that these models (2012) have higher failure rates than the 2011 or are people blowing it all out of proportion??

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People complain far more than they praise. The number of complaints is quite literally out of proportion to the true failure rates.

I believe that these problem of the yellow screen or similar tend to snowball quite easily and more people read such kind of treads more people are prone to see the problem and complain on the forum.

If I were in you I will not be worried, just assess yours when you will receive and be happy, don't forget that people once they are happy with their purchase very rarely show up in a forum to say it but if small part of dust settles on the packaging they will be winging for ages.

You only need to let it acclimatise if it's extremely cold outside. If it's been in the back of a lorry at -10 for hours, then you turn it on, you could damage the glass.

Other than that, turn it right on!

Also, you'll find that most of the "complaint" threads are fueled by the same few people who are destined to be unhappy with their computers.

Brian Y said:

You only need to let it acclimatise if it's extremely cold outside. If it's been in the back of a lorry at -10 for hours, then you turn it on, you could damage the glass.

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Ahh! Excellent point; thanks for bringing that up.

myself like you was worried about all the issues posted, and what you know my luck was bad and I got an iMac with the yellow screen issue (bottom half) but you do have a warranty for 1 year(3 years with apple care).

that said I was impressed with the computer aside from the display issue and just today I left it at my local store to have the screen replaced, the guys over there were helpful and told me the yellowing is not acceptable and they would make 100% sure that the new screen did not have the issue before calling me to pick up the computer, and of course told me I could test it on site to see if I was satisfied with the outcome, and if any other issue poped up I could take it back to get that fixed. So thus far i'm happy with my purchase and I knew that early adopting a product might have its drawbacks. I used the computer the whole weekend and was happy with the performance and features.

Dave26 said:

I've been seeing a few posts where people have said that they leave their iMac for a few hours before turning it on when they get it, is this something you would all advice or is it just something that some people do for no reason??

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On the day my iMac was delivered the outside temperature was -27C. When we took the iMac out of the box, it was so cold we thought we might have needed gloves just to get it unpacked. Had we lived in a warmer climate waiting wouldn't be necessary but were I live it's a requirement. Believe me I would have loved to have fired it up as soon as I got it out of the box, but that wouldn't have been prudent.

If you live in a warmer more hospitable climate you won't need to wait.

As for the other issues I think folks are more likely to be vocal about their complaints than their happiness with their iMacs.

Dave26 said:

Ok so while i wait for my new iMac to be delivered in the next few days i thought i would ask a couple of questions for advice. I've been seeing a few posts where people have said that they leave their iMac for a few hours before turning it on when they get it, is this something you would all advice or is it just something that some people do for no reason??

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Even though it's starting to warm up a bit, one should try to wait until the iMac is in the Goldilocks operating zone (from the Tech Specs) "Operating temperature: 50° to 95° F (10° to 35° C)".

The reason is that condensation is a genuine concern - bringing a cold iMac into a warm home will lead to condensation internally if you turn it on too quickly, as the fan then circulates warm humid air over ice-cold parts (think: cold can of Coke). Let it acclimatise (2-4 hours, maybe more) if the outdoor temperature is outside of the Goldilocks zone.

I work for a company that specialises in power supplies, and we've seen some devices fried because of condensation. Remember, just because it is a bit warm to the touch on the outside, doesn't mean it is warm on the inside, so just be patient.