Wow! What an amazing difference! My Mac was super-speedy again, and the problems I had with application windows displaying improperly were all gone. I then wiped the Mac’s hard disk and did a fresh install of macOS. I finally decided to do a clean install of macOS, so I saved my home folder and all other data I wanted to keep onto a portable hard disk. A few years back I had a Mac that had just turned into a big mess, it was slow as molasses and had problems with buggy application windows. While the tips in the CNet article are useful, I’ve found that doing a clean install of macOS is a great way to speed up a Mac that has gotten too slow. More at CNet Want a faster Mac? Do a clean install of macOS With your Mac's drive freshly backed up, you may proceed.ġ. For Macs, it's easy: grab an external drive and run Time Machine.

If your Mac has become frustratingly slow, there are a number of ways you can speed it up again.īefore you engage in any maintenance, I would urge you to take caution and back up your data. The one place I least like to see a beach ball is on my aging MacBook Pro, where the spinning beach ball has become an altogether too familiar a sight. The only place I like seeing a beach ball is at a beach or in a stadium during a baseball game or concert.

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