My Mac Mini with 500GB on HD but only shows 276 available.

I think is is split using Bootcamp when I purchased to load PC programs like Excel and Word.. I think there may be half the drive I am not using. But it only shows the 'Windows partition where you are supposed to pick section you want. Where is the rest of the drive? Thanks

iOS 9.3.2, Mac Mini

Posted on May 23, 2016 5:56 PM

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12 replies

May 23, 2016 11:57 PM in response to Rysz

This is the info I have:

APPLE HDD

Location internal

connection SATA

partition drive Guild Partition Map

S.M.A.R.T verified

Capacity 500 GB

Child count 3

Type disk

Device disk 0


Then it shows my one drive as below:


Capacity 276Gb

used 255Gb

Device Disk 1


The Partition Device shows:

one large blue circle all filled in with no partitions. with 277Gb in the circle.

Format OSx Extended (journaled) what ever that means.


Thanks for any help.


Frank

May 24, 2016 8:58 PM in response to lllaass

Finally a SnapShot that you can read. The top one shows the partition as only ONE with 277GB of space.

The second one shows the disk as a line with the 277GB but below you see there is 500.11 GB of space, or at least there should be.

The third is the partition I am using and how it is used.

Somewhere there must be another partition that is not being shown? or is my computer just already filled?


Thanks for any help. and nice to know how to take screen shots - so thanks for that..

Frank


User uploaded fileUser uploaded fileUser uploaded file

May 26, 2016 8:59 AM in response to frankfromwatsonville

I have no answer as to where the rest of your drive went.


But to fix this, I would create a current back up then restart using an external drive or method (Internet Recovery - Command+Option+R). Then select the drive (not the partition underneath) and repartition to 1 partition formatted as OS X Extended (Journaled) with the GUID partition scheme. Check the total space to see if you recovered it all. Then restore using your back up.


If you are able to create a clone, that would be better than boot from the clone and do the above Disk Utility steps to repartition/format. Then clone from the external back to the internal.


Both of the paragraphs above will probably NOT put a Recovery HD on the drive. You could simply reinstall OS X El Capitan over itself to recreate the Recovery HD. This will not touch your apps, user accounts or data.

May 26, 2016 9:19 AM in response to frankfromwatsonville

I have no idea why the rest of the space is hiding. It almost seems like a Bootcamp partition may not have been removed properly using Bootcamp Assistant or something went haywire when using BCA.


I only know whenever I had an issue like this, doing what I explained in my prior post always got my space back to where it should be. I realize it's painstaking and time consuming, but if you're able to clone your internal (Me & Friends) partition to preserve/back up your system, that would be the preferred way since you can boot from the clone and work externally then clone back. This way you shouldn't have to reinstall anything.

May 26, 2016 9:28 AM in response to frankfromwatsonville

There is one other thing you can provide to maybe help us.


Open Terminal and type diskutil list and post your output here (see example below). This should show us all the partitions. Maybe we'll see something that isn't in the DU GUI. You'll see my example shows a drive of 251GB and underneath everything that makes up that 251GB.


$ diskutil list

/dev/disk0 (internal, physical):

#: TYPE NAME SIZE IDENTIFIER

0: GUID_partition_scheme *251.0 GB disk0

1: EFI EFI 209.7 MB disk0s1

2: Apple_HFS Macintosh HD 250.1 GB disk0s2

3: Apple_Boot Recovery HD 650.0 MB disk0s3

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My Mac Mini with 500GB on HD but only shows 276 available.

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