Table of Contents
Does reinstalling MacOS take extra space?
Reinstalling macOS will wipe everything on your system, so it’s vital that you back up first. Some of these offer cloud backup, so you won’t need any extra storage handy.
Why does my hard drive space keep going down Mac?
It’s probably Filevault—Apple’s encryption system. Encrypting data on your computer uses additional storage, and it can go down rapidly in minutes, as you experienced. This is because each and every system file, cache, log, etc. is encrypted, essentially doubling the amount of used space.
Is it worth doing a clean install of Mac OS?
No. Doing it so often is not a good idea. MacOS is a stable system and if you need to clean up your disk, just use special software for this. You may need to do a clean install only if you detect some issues or malware on your system and this is the only way to fix them.
How do I restore my Mac after clean install?
Restart your Mac. Choose Apple menu > Shut Down, press and hold the power button until “Loading startup options” appears, select Options, click Continue, then follow the onscreen instructions. In the Recovery app window, select Reinstall for your macOS release, click Continue, then follow the onscreen instructions.
Does clean install make Mac faster?
A clean install will not make your Mac faster if you have no issues. This is not Windows. Unless you have a problem, there is no performance gain to be had by a re-install.
How do I delete unnecessary files from my Mac?
Manually delete unneeded files by moving them to the Trash, then emptying the Trash. Deleting unneeded music, movies, and other media can free up a lot of space, as can deleting files in the Downloads folder. Delete unneeded email in the Mail app. To delete junk email, open Mail and choose Mailbox > Erase Junk Mail.
How do I delete unnecessary files on my Mac?
How to clear system cache on a Mac:
- Click on your Mac desktop or a Finder window.
- In the menu bar at the top, click Go.
- Hold down Option. Select the Library folder when it appears.
- Navigate to the Library > Caches folder.
- Delete some or all of the files and folders in the Caches folder.
What is the difference between Macintosh HD and Macintosh HD data?
Macintosh HD — The storage drive volume where macOS files and apps are stored. Macintosh HD Data — The storage drive volume where Mac user data is stored. The volume has read-write access, enabling Mac users to manage their files.
How can I see what’s taking up space on my hard drive?
Just double clicking on the hard drive should open it in finder window displaying everything on drive. The app Daisy Disk is very nice in that it will show you graphically what is taking up space on your drive. Free and available on App Store.
How do I delete a partition in Disk Utility?
Click on the Erase tab in Disk Utility’s main window. A drop-down panel will appear. Set the partition scheme to GUID then click. Set the Format type to Mac OS Extended (Journaled.) Click on the OK button and wait for the process to finish.
How do I clear the disk in du?
1. Select Disk Utility from the main menu and click on the Continue button. 2. After DU loads select your startup volume (usually Macintosh HD) from the left side list. Click on the Erase tab in the DU main window. 3. Set the format type to Mac OS Extended (Journaled.)
How do I restore my MacBook Pro with Retina Display?
MacBook Pro with Retina display, OS X Mountain Lion (10.8.2) Your model did not come with restore DVDs. What you want to do is this: Restart the computer and after the chime press and hold down the Command-Option-R keys until a globe appears. Wait patiently – 5-15 minutes – until the Utility Menu appears.