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Hello, I am having a problem with my newly installed Samsung 860 Evo SSD. I’m running Yosemite and Windows 7 with bootcamp. When running Yosemite, I’ll get the beach ball after a few minutes or so and the OS becomes unresponsive which forces me to do a hard shutdown. I’ve already replaced the SATA cable twice in a matter of two weeks. I bought one a $10 one from amazon and then the recommended one from ifixit, I’ve put electrical tape down under the cable and on both cables, both are causing the same problems. I turned TRIM on and still the problem persists. My bottom RAM slot is definitely finicky, but I loosened the screws on the RAM bay and have been fine for the last couple days so I don’t believe it’s a RAM issue. Not too sure what to do at this point. Any help would be greatly appreciated! Sidenote: Oddly enough, my windows 7 partition works flawlessly. Update (05/30/2018) I actually sent my 860 EVO in to samsung for “repairs” to see if that would do anything. They just updated the firmware supposedly which did nothing. Nothing left to do but try the crucial MX500.

Since you’ve already tried cable replacement, first thing to try, we are left with three possible issues: faulty drive, faulty logic board, Yosemite and the drive don’t like each other. If you have your old hard drive you could try reinstall it to rule out a possible logic board failure. If that succeeds I would evaluate the possibility to update your OS to High Sierra and see if that solves your problem. If that fails too, you might have had a bad luck and got a faulty Samsung, since it’s new you shouldn’t have a problem to get it replaced.

I had the same exact issue with early 2011 Macbook Pro and 860 EVO - freezing hard a few minutes after startup, including Safe Mode. After numerous efforts to troubleshoot the OS installation I just swapped 860 EVO for a Crucial MX500 - the problem was gone, working perfectly. Just to check I cloned MX500 to the EVO again and put it back in the Macbook, freezing returned.. so I am going with MX500. Interestingly, I thoroughly tested the EVO in an external USB3 enclosure and no errors were found. My conclusion is that there is some sort of inherent compatibility issue between Macbook and EVO that users will occasionally experience - possibly on a specific batch of EVO products. Update (06/03/2018) Earlier I wrote about the problem I encountered with a 1TB 860 EVO in my 2011 MacBook Pro 15” that went away only after I swapped it for an Mx500. Well, later I installed another, 500GB 860 EVO in a 13” 2011 MacBook Pro. Though with half the capacity of the first one, this one has been working flawlessly for a few months now. In nether the first nor the second 860 EVO had I upgraded any firmware. Again,, it’s also in a different, 13 “ with Yosemite and not a 15” MacBook Pro with High Sierra.

I’m having the exact same problem, have you found a solution yet? Thanks

I recently encountered the same issues 1TB 860 EVO drive, sent it back and swapped for the Crucial MX500 1TB drive, although overall it seems better, I am still encountering a really slow computer, my original Crucial MX500 500gb SSD works fine for some reason. Also both the Samsung & Crucial drives both worked fine when plugged in externally, I have as well swapped out hard drive cables with a variety of manufacturers with no luck. I have a mid-2012 MacBook Pro

It’s time to come for some real help. I have a 2012 MacBook Pro 2.9 GHz 8GB system that has a Samsung 860 EVO in it for over half a year, been superbly fast with no issues whatsoever. Had enabled trim in terminal. Until a week ago, it started randomly freezing every other minute for a few seconds , thought it odd, so I saw an update for high Sierra so I decided to hit that thinking that’ll fix it. Seemed fine and then while updating it seemed to freeze, I opened the log and it kept trying something and failing over and over and over like 15 times and then it timed out and froze so I did a hard restart and then got to prohibited screen about 5 times. Roblox Guides get-mobdrovip.com I then go to recovery reinstall High Sierra and that fails. Then I tired Internet recovery and upgrade to Mojave thinking let’s try it maybe it’ll fix it, buggy high Sierra or something. And that install works. Computer boots up great, and then it does same thing. Beach balls every single click for dozens of seconds each time. Total unresponsive. Run avast scan. Takes 26 hours to complete because it kept freezing. Reset PRAM and other tricks. No joy. Total unresponsive. Spotlight finally stopped indexing and when it did all seemed good. Solid hour of bliss. Then it came back for good.

has this been solved? I am facing the same issue. I installed Samsung EVO 860 1TB in July 2020. It was all good till last week, when the beach ball dominates the screen, then the laptop restarts. I have inserted the old HDD and it works like i left it.Would replacing the data cable work? or there is an incompatibility between EVO860 and MacBook pro. I am using Catalina