Yosemite trim enabler how to#

Yosemite trim enabler how to#

The blog post about this issue by Cindori Software, the makers of Trim Enabler, also has a guide on how to get back into your system if the Yosemite update should have locked you out due to a 3rd party boot drive. It however has the downside that none of your drives are protected by this feature as itвЂ™s a global setting and not per drive. The good news is that you can disable the KextВ signing and the Trim Enabler tool has been updated to do just that. 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.вЂќ If they have been modified, Yosemite will no longer load the driver. вЂњKext signing basically works by checking if all the drivers in the system are unaltered by a third party, or approved by Apple.

In itself, this is a great feature and one that wonвЂ™t effect the average Apple user, but professionals with customized high-end MacвЂ™s might be left with a lot of trouble. The cause for this is the new KextВ Signing security-feature that checks if the system has been altered and has parts approved by Apple. But not everything is visible right away, especially not when itвЂ™s done in secret.ДЄpple has silently and without any warning killed support for third-party SSDs in this new OS X version, leaving anyone who uses such as aВ boot drive and has TRIM enabled with a Mac that wonвЂ™t start. Wait and see what the third party TRIM tool gains support for OS X 10.10.2, or you could disable TRIM and update as usual. The new OS X 10.10 Yosemite was received pretty well upon release, sure it had a few minor hiccups, but overall it was an improvement. If you use the TRIM Enabler tool with a third party SSD that is almost certainly the cause of the problem, OS X Yosemite does not get along well with TRIM on third party SSD drives so they often wind up with errors.