Errant external devices have long been known to be causes of kernel panics, inability to startup, and most commonly system-wide freezes, as outlined in our "Startup Fails" and "System-wide Freezes ...

If you’re racking your brain trying to figure out all the reasons why a Mac isn’t booting, Howard Oakley has developed a diagram that reminds you of all the boot steps, problems that can occur at each ...

If your M1 Mac's SSD fails, you can't boot off an external drive, a change from past decades. Here's the problem and strategies to manage the risk.

If you experience startup problems after installing an incremental Mac OS X update, it's logically important to check items that load at startup for conflict with updated components in the new ...

Whether it's to fix problems with your Mac, or get it ready to sell on to someone else, macOS Recovery, also known as Mac Recovery Mode, is a powerful tool to help you.

Got a Mac that's misbehaving and not doing what you expect it to do? Here are some simple things you can try.

The problem is that these methods prevent users from selecting between Mac OS X and Boot Camp partitions.

If your Apple MacBook keeps restarting, there could be a number of potential reasons. We'll explain what to do to fix each of them.