How do I fix the rainbow wheel for slow iMac?

How do I fix the rainbow wheel for slow iMac? My iMac is about five years old and it keep giving me the spinning rainbow wheel between screens and if I have too many things open. I have backed up most of my stuff on an external hard drive.
Asked by: Guest \| Views: 265

Total answers/comments: 2

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bert [Entry]

"Puru

@purus

Rep: 2.6k

12

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bert [Entry]

"I cleared the login items on both accounts and the mac is way better than before, Very grateful for the advice.

Kind regards Bruno."