Move large files to an external data storage device or the cloud.Delete all the unused files from your computer.Things to consider for more space on your computer: Which obviously means you need to start clearing things up to make more room. When the startup disk is full, you will receive a message warning you about the space left. Even though multiple start up disks are possible, but the majority will rely on one. The primary drive will have the OS’s start up disk while the other may store files. However, the vast majority of Mac users may have one disk, but power users tend to have more.Ī Mac, which has more than one disk, will have the storage between them divided. Each one of the partitions stores data for your Mac, which includes things like OS files and applications. Each Mac or Mac Book Air consists of more than one partition. In the MacBook Air, the startup disk is a volume of the drive, which contains mainly macOS system files. So, the first step should be to clean things up.Ĭlean startup disk in MacBook Air for More Storage Space Plus, naughty third-party apps may also bog down system resources.

The general rule of thumb with Macs is that the more stuff you have on the disk, the slower it becomes. One of the main reasons why many people complain about their MacBook slowing down is that files and applications take up too much space on the hard drive. Even though macOS X is widely considered to be smoother, faster and much simpler to operate than Windows OS, it still requires the maintenance to keep it running optimally. A slow Mac performance is one of the most common complaints by MacBook Air users.

How to clean a macbook air hard drive