![]() Sudo mv -f /System/Library/Extensions/ IOAHCIFamily.kext/Contents/PlugIns/IOAHCIBlockStorage.kext/Contents/MacOS/IOAHCIBlockStorage. I ran it form the terminal and proceeded with the reboot. Instead of running the tool, this time I wanted to use the new trim force command. System/Library/Extensions/ IOAHCIFamily.kext/Contents/PlugIns/IOAHCIBlockStorage.kext/Contents/MacOS/IOAHCIBlockStorageÄisable TRIM for non-Apple SSD by reverting to previous backup: Hi All, Just updated successfully to 10.10.4 final and - as usual - trim enabler came up with the alarm that trim was not enabled. ![]() No more dangerous experiments with third party software necessary. OS X provides since 10.10.4 a new tool called trimforce, allowing users to activate TRIM also on unsupported disks. A similar procedure should work for anything that turned on trim. MAC operating systems 10.10.3 and older versions disable TRIM by default. Sudo perl -i.bak -pe 's|(Rotational\x00()|$1APPLE SSD\x00$2|sg' \ If you are using Trim Enabler, this article describes how to recover. In MAC OS Yosemite(10.10.4) and above you can enable TRIM by opening 'terminal app' and enter command 'sudo trimforce enable', then enter 'y' when asked do you wish to proceed, enter 'y' for reboot notification and your MAC will automatically reboot when complete. bak extension) in the same directory, in the event it messes up something. Now, it'll look for the following non-null characters and simply re-output them, without actually knowing what they were. It was originally written to be dependent on the exact characters following the "APPLE SSD" string, which typically changes on each OS version, requiring a rewrite each time. I've redone the perl one-liner so that it should work with any OS version.
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