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I tried to bootcamp my Mac. Ran into some issues which left me with two partitions, my main partion and the extra one create for bootcamp installation. Tried to merge it using the bootcamp programme, but didn’t give me the option. Went to disk utility and tried to merge them through the GUI, wasn’t working. The minus button was not highlighted. Then went into terminal and tried to delete the partion as free space and then merge to one partion. This worked in part, the second partion is deleted but I can not restore the main partion back to it full volume size. I’ve lost space, where I had over 1TB free I know have only 750GB. enter image description hereI have no idea how to get it back. Any help would be appreciated.

  • Welcome to Ask Different. Have you used the site's Search feature to find answers to similar questions and tried those? – fsb Jan 23 at 17:15
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You can not recover 300 GB of free space because the small 104.9 MB EFI partition is between the APFS container and this free space. The command below will remove the EFI partition and add the 104.9 MB to the 300 GB of free space that already exists.

diskutil eraseVolume free none disk1s3

The next command will expand the APFS container to occupy the free space.

diskutil apfs resizeContainer disk1s2 0

If you still feel the "Macintosh HD" volume (disk2s1) is occupying to much space, you may want to ask a new question to address this problem.

  • Thank you David. That’s done it. I didnt want to mess with it further without asking first. Thanks again. – Justin Jan 23 at 18:50

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