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 ...

Safe mode is a powerful tool for troubleshooting driver issues or software issues. Here is how to start any Mac in safe mode.

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

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 ...

What's worse is that even if your MacBook (non-Pro) has a 64-bit EFI, it will only be able to boot the 32-bit version of Snow Leopard because of a limitation that Apple imposes on MacBooks.

You can disable auto-boot on an Apple silicon MacBook when connecting to power, when opening the lid, or both using a Terminal command. You might want to do this if you're sick of your Mac ...

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