
There may be times after upgrading your Mac's operating system that you experience odd slowdowns on the system, either problems with general workflow or issues with booting the system.
Apple's original hardware that shipped with its systems should run its supported operating systems very acceptably; however, some people may have upgraded hardware components of their systems (hard drives, RAM, etc.) and suspect incompatibility with those components as a root cause of the problems.
MacFixIt reader Bruce wrote in with such a concern:Prior to updating to OS X Lion, I had one of those hybrid SSD drives installed in my Macbook Pro (a Seagate...