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Imac 27 late 2013 hard drive snesor9/7/2023 ![]() ![]() It’s Model Identifier is ‘iMac 14,2’ and it might also be referenced as ‘A1419’ or ‘EMC 2639’. The iMac Model that I will be referencing in this tutorial is the ‘ Late 2013 27′ iMac‘. Alternates to the iFixIt ‘iMac Adhesive Strips’.Do you need an ‘OWC In-Line Digital Thermal Sensor Cable’?.Alternates to the iFixIt ‘ iMac Opening Tool‘ and ‘ Plastic Cards‘.Now I’m going to run you through what I learned. So I decided to take a punt and go with what I thought might work. There seemed to be a lot of grey areas that weren’t definitively covered which was frustrating. Warning: Again, this only makes sense when removing the HDD.Recently when I purchased a second hand ‘ Late 2013 27″ iMac‘ I had a lot of trouble finding information online relating to certain aspects of the Internal Hard Drive Replacement Process. HDD fan now spins at 2,500 rpm in idle mode. Keep the spare screws in a plastic bag which I hooked in the HDD mount - just in case. The other end is not connected, its only purpose is to connect pin 11 to ground which is effectively the same what Apple’s jumper plug would do when directly connected on the logic board. Plug a 15-Pin-SATA-to-4-Pin power connector on the free SATA power cable. Open the iMac and remove the HDD following iFixit’s instructions One can even find some online shops which list the mentioned jumper plug (however, either out of stock or for ridiculous prices). Careful modification of the existing hard drive power cable should allow one to perform this hack while installing any drive of his or her choice - albeit while running the risk of having the drive overheat. Apparently tying the temperature-sense pin in the connector to ground signals to the BMC to just leave the fan at its base speed. It’s just a plug that goes into the HDD power connector that shorts pins 2 and 7. Towards the end, it shows what Apple did on iMacs which were delivered with just an SSD and no HDD: Some more in-depth research brought me to this article (on ). However, I didn’t want to replace the HDD but simply remove it (the HDD was never used, the internal SSD has enough capacity as a system/working drive for me, and I prefer a computer with as little spinning parts as possible). In case one wants to replace a defective HDD, his solution is definitely the way to go. ![]() As noted by Allan, just removing the HDD effectively means removing the integrated temperature sensor. ![]()
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