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. It would be great if Macs just ...

Hi,<P>Can we post all of the various key combinations that work at boot?<P>For example:<P><B>Openfirmware:</B><BR>press _X_ + _X_ when you see _X_ to enter openfirmware command prompt<BR>press ...

When Apple Computer Inc. introduced Open Firmware with the first G3 Macintosh computers, it was big news because it allowed Apple to easily modify system information previously stored in ROM. This ...

Safe mode is an important troubleshooting tool. It boots the OS in such a way that it uses the bare minimum files and apps to start and run. This can help you isolate issues, figure out where problems ...

The following post was originally published in Chapter 11 of our new book, Upgrade Your Life: The Lifehacker Guide to Working Smarter, Faster, Better. You can have both a Mac and a PC on a single ...

On rare occurrences people may find that after updating their Macs the system will not boot. Here are some steps that may help clear the problem. Topher Kessler MacFixIt Editor Topher, an avid Mac ...

Apple's new T2 chip in the iMac Pro and 2018 MacBook Pro is far more than a refinement of the family of sub-processors that launched in the 2016 MacBook Pro, with expanded responsibility encompassing ...

The discovery of a simple Terminal command that brings back the classic startup chime on newer Macs has gone viral in recent days. Apple disabled the startup sound on new Macs in 2016, and while a ...