Solve : How to speed up my Mac Yosemite?

1.	Solve : How to speed up my Mac Yosemite?
Answer» Hey, I am working on a MAC mini that is running OS X 10.10.3. It becomes very slow and sluggish RECENTLY, I want to know why? How can I make my Mac faster? Thanks! [attachment deleted by ADMIN to conserve SPACE]

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