Mac, the people preferred choice when it comes to computer due to their diligent looks, good quality and processing speed. They are just phenomenal. The performance decreased when hard drive gets filled .So to keep the same performance you must know How to clean up and Speed up Your Mac Hard Drive. To clean the hard drive use the Mac’s provided the disk utility. You can launch this and click on the hard drive and further click on the repair disk button .For clearing the cache uses free utilities available. To help you in cleaning CleanMyMac 2 tool is available which cleans the hard drive.