See my answer here: Since the release of 10.10.4, Apple now provides a new tool called trimforce, allowing users to activate TRIM also on unsupported disks. Please check the original source for updates! Reinstalling OS X will only reinstall the system files, leaving your files and preferences untouched. If can’t get the Terminal commands to work, or want an easier option, you can also use the Recovery Mode to reinstall OS X. However, if you are not familiar with the Terminal, it can be hard to follow the steps above. The commands will work if they are entered correctly. You should now be back in OS X with Trim enabled. Step 8: Wait until it finishes (can take as long as 5-10 minutes,ĭon’t abort it) and reboot. The quotes around the disk path and that there should be no / before You can type ls /Volumes to get a list of volumes. Step 7: Run these commands, replacing Your Disk Name with the name of your Mac disk Step 6: Reboot back in to Recovery Mode again Step 5: Run this command: nvram boot-args=kext-dev-mode=1 Says error getting variable, continue with these steps: Step 4: Run this command: nvram boot-argsĭoes it say kext-dev-mode=1? if so, you can skip to Step 6. Step 3: Open the Terminal from the menu bar Step 2: Is your volume encrypted (FileVault)? If so, first open Disk Utility from the menu bar and unlock/mount your drive. Step 1: Boot recovery mode by holding Cmd+R during boot See the Trim Enabler FAQ, The question Recovering from stop sign on boot screen might help you: Recovering from stop sign on boot screenįor those who are stuck on the grey boot screen, here’s how you get This will prevent the old method of TRIM enabling. Yosemite apparently uses a new security feature called kext signing. Neither of these work, is there something else causing this issue?Įdit: verbose mode stops at "still waiting for root device" Installing mavericks from the recovery drive - this fails.It should not be used in new applications. Oct 26 11:01:40 localhost Unknown: 11:01:40.167 OS X Utilities *** WARNING: Method userSpaceScaleFactor in class NSWindow is deprecated on 10.7 and later. Oct 26 11:01:35 localhost Unknown: Keyboard Layouts: keyboard layout identifier -16900 has been replaced with -28674. Oct 26 11:01:35 localhost Unknown: Keyboard Layouts: duplicate keyboard layout identifier -16900. Oct 26 11:01:35 localhost Unknown: Keyboard Layouts: keyboard layout identifier -16899 has been replaced with -28673. Oct 26 11:01:35 localhost Unknown: Keyboard Layouts: duplicate keyboard layout identifier -16899. Utilities *** WARNING: - is deprecated in MacOSX 10.8 and later. Oct 26 11:01:34 localhost OSIESpringboard: Failed to unlock login keychain. Oct 26 11:01:34 localhost OSIESpringboard: Can not connect to /var/run/systemkeychaincheck.socket: No such file or directory Oct 26 11:01:34 localhost Language Chooser: Could not write to /var/log/CDIS.custom Oct 26 11:01:34 localhost Unknown: Setting boot completed. Oct 26 11:01:33 localhost Unknown: Keyboard Layouts: keyboard layout identifier -16900 has been replaced with -28674. Oct 26 11:01:33 localhost Unknown: Keyboard Layouts: duplicate keyboard layout identifier -16900. Oct 26 11:01:33 localhost Unknown: Keyboard Layouts: keyboard layout identifier -16899 has been replaced with -28673. The error I'm getting is this: Oct 26 11:01:33 localhost Unknown: Keyboard Layouts: duplicate keyboard layout identifier -16899. This morning I restarted my machine after installing Kies and it wouldn't boot. Now whenever it tries to boot it runs Safe Mode and fails 1/3 of the way through.įrom what I can remember I went to enable FileVault and backed out of it as I didn't enter my correct iCloud information, and didn't want to go down the key generation route. I installed Yosemite yesterday and it was working fine.
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