![]() Step 1: Boot recovery mode by holding Cmd+R during boot Some users also report they were able to make TRIM work with this procedure:įollow these steps to disable kext-signing and rebuild your kext cache. This article describes the procedure to get your system back. This article says that indeed El Capitan system security may be your problem and that you should use their software (Disk Sensei). I have read several forum posts reporting similar problems. Should I still have done the kext-dev-mode=1 thing? Since that requires 10.10.4 and may require disabling system security on El Cap.Īre they up to something with "disabling system security on El Cap". It is even better than using the new built in trimforce command, On page Crindori Disk sensei I found: This is the easiest and safest way to enable Trim on OS X. crossed out circle shows (every 10 seconds it changes for approx 0.3 seconds for apple logo, but the computer does not boot)Įdit.in Terminal typed sudo trimforce enable, after a minute computer reboot.saw in system information SATA suport "Trim support: no".logged in successfullty to a newly setup osx as a user with admin rights,.restored the backup from the time machine.booted from USB install disk for El Capitan.I am running OSX 10.11.6, and AFAIK it should just work. I have succeeded to transfer everything from a Time Machine backup, but when I wanted to enable the trim by sudo trimforce enable, then after a restart computer just shows the "crossed out circle". I am using 2009 macbook pro and I wanted to upgrade the default hdd to a Samsung Evo 850.
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