The built-in tools make it easy to partition your Mac hard drive. Image: D. Griffin Jones/Cult of Mac If you want to install a beta version of macOS, either for software development or for simply ...

Disk partitions can be a good way to keep personal and system data separate or useful if you want to run Windows alongside macOS. Setting them up can be a bit tricky, so it’s a good idea to use ...

Sometimes installing OS X may result in odd behavior if the partition scheme on the drive is not set up properly. If you are experiencing problems, a simple repartition during setup may be an easy fix ...

We've received notes from some readers indicating problems installing Mac OS X on drives that contain more than one partition. In these cases, some users find that formatting a drive with only a ...