![]() Go ahead and have your Mac download and install macOS on that SSD. This base OS has drive formatting tools and macOS install capabilities. If you don't want your data, just skip to step one.ġ.) Go ahead and switch out the drives, you can watch how to do this here (for your 2010 Mac model of course) : Ģ.) Go ahead and boot up your Mac as normal (it will act weird booting up)ģ.) By default, every Mac has a base (Recovery) OS. If you want to keep your data, then make sure you back it up to an external USB hard drive or a cloud backup (and copy the files over when you are done with the steps. Fortunately enough though, it was surprisingly simple. For me I was very worried about this process as well. ![]() Hi TomTheMacFan! (Nice nickname btw) I just recently had to do the same thing with my 2012 MacBook Pro. Therefore would it not be more efficient to initialise the new SSD as APFS in the first instance ?Īs there seem to be a few bad experiences written about with regards to SSDs, APFS and High Sierra upgrades I just wondered if anyone had a 'tried and tested' process that would suit my use-case please ?. And since SSDs have a finite write/delete limit, it seems wasteful to have initialised the SSD as a Mac OS Extended filesystem in the first instance since any APFS conversion process would impact the SSDs lifespan. ![]() ![]() I have seen previous support notes that suggestġ) upgrading my Mac to High Sierra on the existing HDDĢ) connecting my new SSD via a USB adapterģ) initialising my SSD using a "GUID Partition Table" with a "Mac OS Extended (Journaled)" filesystemĤ) use the Disk Utility to clone my existing HDD onto the newly formatted SSDĥ) test that I can boot from the new SSD, and if it works then replace my HDD with itĪccording to what I've read, my thoughts were that there may be an issue with the above: I have read that High Sierra will reformat my SSD at some point to use APFS (not sure if this is true). I am trying to work out the best process for achieving this and wondered if anyone could please help advise ? I have purchased a Samsung Evo 850 SSD and wish to upgrade to High Sierra - installing my SSD as the new internal boot drive. I have a mid 2010 MacBook Pro running Sierra, running on the standard HDD which came supplied. ![]()
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