Even I baulk at going at a computer with a heat gun – and then having to very carefully apply fresh double-sided sticky tape to make sure the re-mounted screen stays in place. Its graphics processor was the NVIDIA GeForce GT 755M graphics processor with 1 GB of dedicated GDDR5 memory. It was powered by Quad Core 3.2 GHz Intel Core i5 I5-4570S (Ivy Bridge) processor with four independent processor cores on a single chip.
That lamination process I mentioned renders reaching into the iMac’s innards all but impossible for ordinary folk. The iMac Intel Aluminum had the Mac OS X 10.8.4 (12E4022) operating system pre-installed on it. Even the SD card slot that used to be within arm’s length on the right-hand edge of the screen, just below the optical drive, is now located on the back, forcing you to fumble around the rear whenever you’ve a card full of pictures to copy. There are more practical issues here as well, such as the constant irritation of having all the USB and other ports hidden around the back, forcing you to stand up and rotate the entire unit whenever you want to plug in a memory stick or some other device. There are obvious benefits in reducing the thickness of a laptop computer, but in a 27-inch desktop machine this slimline design can seem rather like an expensive indulgence – especially as you can’t even see that sleek profile when you’re sitting in front of the darn thing. However, the iMac could be criticised for valuing form over function. There is no way to get a Thunderbolt signal from a computer that does not have Thunderbolt. The 2013 iMacs Thunderbolt will output Mini DisplayPort but will not work in Target Display Mode with Mini DisplayPort input, even though the plug fits. At least the 27-inch iMac lets you mess with its memory – the 21.5-inch model doesn’t A: Use your iMac as a display with Target Display Mode - Apple Support.