Disable TRIM Before Upgrading to Yosemite
We’ve talked on the Rocket Yard about using TRIM with OWC SSDs before. Essentially, if you are using an OWC SSD, there is no need for TRIM. However, if you are running a system with TRIM Enabler and you upgrade your Mac to OS X Yosemite, your machine will not boot after the install finishes due to the new Kext...