How to Disable Window Transparency in macOS

There are a lot of transparency effects in macOS these days. You can see it twice in the Finder window above: the colors from the desktop wallpaper show through the left sidebar, and the pictures I’m scrolling past bleed through the top of the window. You can even see this while scrolling.

How to Monitor and Control Your Mac’s Fans

Your Mac’s fans probably aren’t something you think about very often—until something goes wrong. Maybe you hear the fan too often, and it’s driving you nuts. Maybe you’ve stopped hearing your fan altogether, even when you Mac feels hot. Either way, you should probably look into that.

How (and When) to Reset the SMC on Your Mac

Your Mac is acting funny, and you’ve tried everything: restarting your computer, resetting the NVRAM, and all the tricks that speed up a slow Mac. You even ran 50+ diagnostics at once to see what’s going on, and yet you find nothing. What’s the next step?

How to Force Quit Applications on Your Mac When They’re Not Responding

Macs are very stable, but not every Mac application is. Every once in a while, something you’re using is going to crash. Sometimes this means the spinning beach ball of death, sometimes this means clicking an open window doesn’t do anything, no matter what you try. Sometimes the Dock indicates an application is open, but you can’t seem to find or open any windows.

How to Set Up Multiple User Accounts in macOS

If you share your Mac with someone else, it’s a good idea to create a different user account for each of you. That way, you don’t see your husband’s email notifications, or have to sift through his bookmarks.. Here’s how to add a new account to your Mac.