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1. #Cindori trim enabler mac os#
2. #Cindori trim enabler install#
3. #Cindori trim enabler update#
4. #Cindori trim enabler driver#

However, some of the new features has to be unlocked through purchasing a Pro license.

#Cindori trim enabler update#

To avoid this situation, you can make sure to disable Trim before performing any hardware maintenance or PRAM reset on your Mac.Trim Enabler 3.0 is a BIG update from the previous version.

#Cindori trim enabler driver#

This is your system telling you that a driver has been modified, and is not allowed to load. If you try to boot a Trim-enabled system with the kext-signing setting re-activated, you will be met by a gray screen with a stop sign: This memory can be reset either by accident or by intention (usually by troubleshooting issues with your hardware), causing kext-signing setting to re-activate. The kext-signing setting is stored in your Mac’s NVRAM/PRAM, a sort of flash memory inside your Mac. When you flip the switch back to Off, Trim Enabler will ask you if you want to restore the kext-signing setting back to normal. You can then flip the switch again to enable Trim. Trim Enabler 3.3 will disable the kext-signing setting automatically for you, by giving a choice when you flip the switch.īy clicking Proceed, your computer will reboot with kext-signing disabled.

#Cindori trim enabler install#

It is important to note that the kext-signing setting is global, if you disable it you should be careful to only install system drivers from sources that you trust. To continue to use Trim Enabler and continue to get Trim for your third party SSD, you first need to disable the kext signing security setting. Since Trim Enabler works by unlocking the Trim driver for 3rd party SSD’s, this security setting prevents Trim Enabler to enable Trim on Yosemite. This is a means of enforcing security, but also a way for Apple to control what hardware that third party developers can release OS X support for. If they have been modified, Yosemite will no longer load the driver. Kext signing basically works by checking if all the drivers in the system are unaltered by a third party, or approved by Apple.

#Cindori trim enabler mac os#

(A kext is a kernel extension, or a driver, in Mac OS X) In OS X 10.10 (Yosemite), Apple has introduced a new security requirement called kext signing. I'm definitely not a programmer or solid tech so maybe I didn't know what to ask in Google. I couldn't find any info about this in any of the boards - or on any websites. everything seems back to normal - got the notice that I have to activate my Trim again - and the warning about the kext-signing - I was very relieved it wasn't a hardware, or even a software issue for that matter. To fix - I just created a boot drive of Yosemite on a USB stick and reinstalled - didn't lose any files etc. I'm including the info below for further details. So if you are pounding away trying to fix some problems with your Mac & default to the old "Reset Your PRAM!" then you will inadvertently reset the kext-signing setting and will be greeted with the gray screen circle slash. Turns out that to be able to use this program it has to reset some settings within Yosemite that are stored in NVRAM/PRAM. I use a program called Trim Enabler by Cindori. I have a 2010 Macbook Pro with a replaced drive - Samsung 840 Pro SSD. This just happened to me and I'd like to share my fix which was ultimately very simple - if the following applies to you: