Start by unplugging the iMac and don't touch the printed circuit boards when working on it.
16 Gig is the absolute minimum you can get away with for boot up drive, I guess you could use USB2 drive but then it will probably take an hour to boot up. I used 5-10 business cards to break the foam tape so I could remove the monitor and get to the internals.įinally you need at least 16 Gig USB3 thumb drive to boot up from. I used matt "scotch" tape for temporary fix and then ShoeGoo for semi permanent closing. You should use very thin foam tape to tape the screen back on.
I couldn't find mine so I used 2.4 mm (1/10 inch) slot screwdriver from a set I had lying around. There is a program available to fix that but you should be safe with all the latest drives.įor tools you need a Torx (T10) screwdriver. Apparently some hard drives will cause the fan inside to go to highest speed. Although this brand/type works fine for me I'm sure there are others that are comparable in most ways, check local availability and prices. I did not want to put smaller capacity SSD into the iMac and higher capacity SSDs were much more expensive. I purchased 500 GB Samsung SSD 850 Evo because it was decent capacity at comparatively low price in my area. When using the sensor adapter, no additional software is required.For this step you need to gather some parts.Ī SSD. This type of cable converts a plug-in sensor to an adhesive one, which allows the fan speed to be automatically controlled by the iMac system management controller. Please be aware that Micron is not responsible for the contents of the above website, and does not assume any legal liability for the products or information offered at this site. The website link is provided for informational purposes and for the convenience of our customers.Īn alternative solution is to purchase an aftermarket sensor adapter. A link to SMCFanControl can be found here. This allows the user full control of the fan speed to set it to an acceptable level. One solution is to use a third-party software such as SMCFanControl. You will probably want to reduce the speed of the fan, as well as the noise. One of the benefits of SSDs is that they generate significantly less heat in comparison to a traditional HDD, so the increased fan speed is unnecessary. Please note that any iMac that uses a ‘sticky pad’ sensor can simply be re-attached to the new SSD and fan speed is unaffected. When you power on your iMac, the temperature will incorrectly register as much higher than normal and the fan speed will increase as a result. Solid state drives (SSDs) and the accompanying 2.5” to 3.5” converter bracket do not use this type of socket, meaning that the cable cannot be reattached. Some earlier iMacs systems use a separate plug-in temperature sensor cable, which attaches to a socket on the original hard disk drive (HDD) to determine the drive temperature and adjust the fan speed accordingly.
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