how to clean up startup disk on macbook air

It works well when troubleshooting problems with your Mac, especially if you can’t boot from the primary hard drive to access System Preferences. This is an easy way to select a startup disk before your Mac turns on. To Clean Your Mac Startup Drive: Download Disk Drill and install it in your Mac. Your Mac will boot from the startup disk you selected. Click the arrow directly below the drive.Select the disk you want to use as a startup disk.A screen displaying all of the available startup disks appears. Immediately press and hold down the Option key.Press the power button to turn on your Mac.

Enter your username and password to confirm. Press Command-A to select all files or delete files one by one. In the window that appears, you will see all your cache files. Type /Library/Caches in the field and press Return.

Connect the drive you want to use as a startup disk to your Mac. So, to remove cache files on your Mac, you need to: Open Finder.

There’s also a way to select a startup disk immediately after you turn on your Mac. Open this folder from the Dock, or by choosing Go > Downloads from the menu bar in the Finder. To change your startup disk back to the primary disk, repeat the instructions and select the primary disk as the startup disk. Select the hard disk or partition you want to use as the startup disk.Ĭlick Restart to restart your computer and boot from the selected startup disk.

Here’s how to change your Mac’s startup disk:Ĭonnect the drive you want to use as a startup disk to your computer.įrom the Apple menu, select System Preferences. Changing Your Mac’s Startup Disk with System Preferences Normally, the startup disk is set as the hard disk inside of your Mac, but you can use an external hard drive, USB thumb drive, or DVD as your startup disk. When your Mac turns on, it loads the operating system on the designated startup disk, a hard disk or partition containing the macOS operating system. AirPort Apple Apps Backups Developer Education Email Hardware Internet iPad iPhone Mac Music Network Photos Security TV Weekend Wonk

How to clean up startup disk on macbook air