System taking up too much hard disk space

Running latest Mohave on i7 iMac. Get Info of root System folder says 9.99GB. But Get Info of hard disk shows 428 GB of System files, leaving me with very little space on the hard drive. How can that be? Any ideas what to do about it?

Thanks in advance, Eddie

iMac 27″, macOS 10.14

Posted on Dec 20, 2020 9:09 AM

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9 replies

Dec 20, 2020 11:18 AM in response to Edwin Sanchez1

An EtreCheck report is a report of your system and what has been installed, no personal information is contained in the report at all. You can find information on EtreCheck at EtreCheck.com. Below are instructions:


Please navigate to the Mac App Store or navigate to www.Etrecheck.com and download the free version of EtreCheck. Once you have you downloaded the app and installed it, please run the report and save it. This report will help us get a good idea what has been installed on your system and help us be able to diagnose what may be wrong.


When you have your report, you can attach it when you reply to this message and we can then review it and help you determine what is needed to get your system running well again. 


For instructions on how to download your EtreCheck report and attach it to your reply to this message please click https://discussions.apple.com/docs/DOC-250000211


Dec 20, 2020 11:33 AM in response to Edwin Sanchez1

Your report came through just fine. Somehow you have disconnected Apple's internal security protection, this is NOT okay and you need to get it turned back on. Please call AppleCare ASAP to get this done, if you don't know the number please use: AppleCare Contact Info


One main problem is adware has been installed on the computer, please download the free version of Malwarebytes.com and use it. Then restart the computer in Safe Mode and then restart normally and test.

Use safe mode to isolate issues with your Mac


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System taking up too much hard disk space

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