More Mac 101, our ongoing series of tips and tidbits for new Mac users. When I wrote my post Tuesday about booting a Mac off an external USB hard drive, I was surprised how many people followed up to ...

I need to replace the internal drive in an iMac (I've done this before - on this iMac - without any troubles) but this time (in a dry run) I can't get the iMac to boot from an external recovery ...

If you have multiple operating systems installed on your computer, or if you are trying to boot off various utility or other boot disks, you may run into problems where using an alternative or desired ...

Apple hasn’t shipped operating systems on physical media in almost a decade, but there are still good reasons to want a reliable old USB stick for macOS Mojave. Luckily, it’s not hard to make ...

While using these suggestions, make sure you have enough permission on the user account for any needed modification. Boot Camp Assistant might stop responding, or installation failed. Startup disk ...