System files size is huge in Bootcamp

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Level 1

8 points

System files size is huge in Bootcamp

I recently created a partition running Windows 10 using boot camp. However, I've quickly run into disk space issues on the Window's side. After looking into my disk space usage, I have found the partition has 461 GB out of 465 GB used and of that 366 GB is nothing but System Files. Why would my system files take up so much sate? Can I correct this? I'm also a little confused by what's showing up in the disk management window. Do I have multiple partitions setup somehow?

I've attached screen shots.

MacBook Pro with Retina display, OS X El Capitan (10.11.5)

Posted on Jun 26, 2016 8:25 AM

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Answer 1

iSTAVi

Level 1

4 points

Oct 24, 2016 11:35 AM in response to kaysum9

I've run into the same thing.

I think this system files is taking your whole drive into account, not just the BootCamp partition. For example, look at the size of your whole system. Did you give your Windows partition 465 GB (500) of your hard drive space? My guess is no, as you most likely got a 500gb SSD with your Mac, right?

those "system files" seem to be including your macOS partition as well as BootCamp, which shouldn't be happening.

Curiously, if you go into the Windows Explorer and click on "This PC", you should see "BootCamp (C:)" with the correct size and usage of your BootCamp partition that is also reflected in Disk Utility on the macOS side.

Chances are, if you're running out of space, then the "BootCamp (C:)" bar should be full in Windows Explorer. If so, check out Disk Cleanup, and even choose "compress this disk to save space" to get some storage back. Otherwise, delete some old games and apps you don't play anymore. I see almost 90 gigs of that stuff in your screenshot.

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