How to Speed up OS X Yosemite on Older Macs
My Mac is five years old, but still running strong. After updating to Yosemite a few weeks ago I noticed everything running painfully slow, especially with Word and Finder, which I use frequently for my writing. With a little research and some tech trial and error I found two ways to improve it:
1. Disable The Transparent Windows & Effects
Go to the Apple menu and open System Preferences
Go to Accessibility and choose Display
Check the box for Reduce Transparency
This immediately sped things up for me. Super-fancy new macs have the processor power and memory to render transparent windows, titlebars, menus, etc. Older macs have a harder time.
2. Change the Minimize Window Effect
Go to the Apple menu and open System Preferences
Next to "Minimize windows using" choose Scale Effect
If, like me, you noticed windows minimizing much slower, this should greatly help.
I've seen less of what I affectionately call the Rainbow Wheel of Death since making these changes and things are definitely running smoother. Figured I would share for other people going a little nuts with Yosemite!