Machines with RAM from 4G or much less, after upgrading in default mode, the machine could be very sluggish. The next easy steps will assist you to repair your sluggish Mac pc.
With new function units launched by Apple free of charge, we advocate that you simply improve and maintain the identical model as an alternative of making an attempt to downgrade to the outdated model earlier than upgrading. The primary reason for this sluggish velocity is that OS X 10.10 Yosemite model makes use of some transparency results for home windows that make RAM and graphics playing cards take up an excessive amount of assets.
Methods to repair sluggish error after upgrading as follows:
1. You open System Preferences.
2. Click on on the . icon Accessibility (4th line).
3. Within the menu on the left, choose Show
4. Click on on “Cut back transparency“. Good luck.