Computer Talk - System Files on Mac

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System Files on Mac

Printed From: Speakerplans.com
Category: Other Chat
Forum Name: Computer Talk
Forum Description: Help and discussion about your manly PC or girly Mac
URL: https://forum.speakerplans.com/forum_posts.asp?TID=106075
Printed Date: 27 March 2026 at 6:36am
Software Version: Web Wiz Forums 12.08 - https://www.webwizforums.com

Topic: System Files on Mac

Posted By: monkeypuzzle
Subject: System Files on Mac
Date Posted: 13 February 2021 at 8:14pm

Anyone know how to delete some of the system files on my Mac? it's currently at 246 gb and thats a lot of wasted space. It seems to be an issue but when I've done some online research most say download cleanmymac or some other program like it which I'm weary of doing...

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Replies:

Posted By: Boxes-R-Blue
Date Posted: 06 March 2021 at 4:08am

First thing i would do is get a copy of "Carbon copy cloner" (yes you can use Linux and DD etc, but CCC is easy and doesn't have the nick name "DISK DESTROYER" you can use this to clone your main drive to a USB/Firewire/Thunderbolt external drive.

Make a bootable clone of your internal drive, restart the Mac, hold ALT and boot off the external volume to check you have a full copy.

You can then address your missing 1/4 tTB

Personally, I'd get an 8GB USB stick and make a OsX bootloader (Follow any of the online tutorials, but but with a download and 1 line in shell you have a bootable OsX stik) and blast the main partition, re-load my apps and just restore my data from the backup you wisely made earlier...

BUT, if you don't have access to installers for some apps or don't fancy an epic mission then witht eh backup unplugged start "cleaning up" with cleanmymac or similar.

To have 246Gb of crap you must have a fairly old mac (or piles of Adobe temp files in your user root) so a clean install would work well...

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Kinda Been there, Kinda done that, YOU COULDN'T handle my bar bill!