Here's how you can solve the "my Mac is not synching with iCloud" problem. If you see a spinner in Calendar that never stops, you need this.
The Mac's System Preferences has zillions of settings. Here's how you find the one you want, using the built-in Search feature.
Mac app toolbar buttons don't always tell us exactly what they do. Add text labels to toolbar buttons and know for sure. Quick and easy.
It's great that you set up a Time Machine backup. But is it working? Find out now. Here are two ways to check.
If you try to sign into a website but get sent back to the login screen-- even though you have the right password-- the answer may be simple.
Here's how you figure out the email server settings for your particular email address. Very handy when setting up email programs!
Zoom in (and out) on your Mac to make small stuff easier to see. Very simple to enable this built-in feature.
If Photos launches every time you connect your iPhone via the USB charging cable, and if you don't want it to, this is the tip for you.
Sometimes the Finder's Favorites disappear (this happens in iTunes also. Here's how to bring them back. Does not require programming.