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lasloduncan

macrumors 6502a
Original poster
Mar 2, 2015
548
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will that help me out some.?? thanks all ...seems relatively simple enough ..always does seem that way never is??------
 
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I used a Samsung T5 as my main boot drive on my Late-2015 iMac with a 1 TB Fusion, was a big, noticeable difference that I would highly recommend. Obviously not as fast as an internal upgrade, but much easier and relatively cheap.
 
t5 will work fine.

Just buy it and plug it in.

Use Disk Utility to ERASE it before you do anything else.
If you're using Mojave or Catalina, erase to APFS, GUID partition format.
If you're using High Sierra or earlier, erase to Mac OS extended with journaling enabled, GUID partition format.

If you buy an SSD that is large enough to hold everything that's on the internal drive, you can use either CarbonCopyCloner or SuperDuper to just "clone the drive over" from the internal to the SSD.

Then, go to the startup disk pref pane and set the external to be the new boot drive.

This is not difficult.
You will get read speeds of 420-430MBps using an external USB3 boot SSD.
 
will that help me out some.?? thanks all ...seems relatively simple enough ..always does seem that way never is??------

Do you a power of good, and all easy-peasy, but the external should be greater capacity than your fusion drive. Clone your internal to the external, I never tire of recommending Carbon Copy, select it in System Preferences > Startup Disk, and life will be sweeter for you.
 
t5 will work fine.

Just buy it and plug it in.

Use Disk Utility to ERASE it before you do anything else.
If you're using Mojave or Catalina, erase to APFS, GUID partition format.
If you're using High Sierra or earlier, erase to Mac OS extended with journaling enabled, GUID partition format.

If you buy an SSD that is large enough to hold everything that's on the internal drive, you can use either CarbonCopyCloner or SuperDuper to just "clone the drive over" from the internal to the SSD.

Then, go to the startup disk pref pane and set the external to be the new boot drive.

This is not difficult.
You will get read speeds of 420-430MBps using an external USB3 boot SSD.
fisherrman...----t5 will be here tomorrow...my plan is to use disk utility, and do the apfs with guid partition ...(havnt looked that up yet or know why it is necessary) but I will before I do it..

do you approve of this?...instead of cloning and copying over from my internal sys hd.--I am going or intend to download a fresh brand new copy of Catalina--the reason is --all my stuff on my systems drive seems to be corrupted somehow or another ...my thinking is to much nonapple stuff and apples intense and dedicated desire to restrict any and all s.w that is not apple...i.e. youtube. gmail and on and on..so rather than copying over corrupted s.w.--- start with a fresh clean copy- then down load ff chrome etc etc ..I use or try to use a lot-- of nonapple stuff...ad blockers being another disrupter of my system...there is of course reasons for adv blockers --duh!

that sound like a workable plan maybe soon scratch the Orig boot drive and use it for whatever bkups etc...later thank you..
 
I'd try cloning the internal drive to the SSD with CCC first.
See if the higher speed clears up the problems.

If that doesn't work...
Then, just erase the external SSD and start over with a "fresh" install.
 
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I'd try cloning the internal drive to the SSD with CCC first.
See if the higher speed clears up the problems.

If that doesn't work...
Then, just erase the external SSD and start over with a "fresh" install.
good idea ..thanks time consuming ...but correct way to proceed beer is on me...
 
You don't need any sketchy third-party app for cloning your drive. Use the built in Disk Utility, it's free and I would trust it a whole lot more than some third-party app.
 
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