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Hello there,
My mac hard drive is partitioned 50/50 with Bootcamp.
I have Windows 10 and OSX on one partition and Windows 8 on the other. I wish to delete Windows 8, remove the partition and have a single disc as I have no space left on the mac partition.
Can I remove the partition using boot camp assistant without affecting Windows 10 or OSX ?
Your thoughts ?
MacBook Pro with Retina display, OS X Yosemite (10.10.5)
Normally, you can have only OS X and one installation of Bootcamp Windows, not two. Since you are using Parallels, you have one as a VM, and another as Bootcamp Windows.
1. W10 is your virtual machine and does not have a partition of its own under normal circumstance based on the provided information.
2. W8 is the BC/Windows installation. This copy of Windows should be removed using BC Assistant only using Boot Camp: Remove Windows from your Mac.
Normally, you can have only OS X and one installation of Bootcamp Windows, not two. Since you are using Parallels, you have one as a VM, and another as Bootcamp Windows.
1. W10 is your virtual machine and does not have a partition of its own under normal circumstance based on the provided information.
2. W8 is the BC/Windows installation. This copy of Windows should be removed using BC Assistant only using Boot Camp: Remove Windows from your Mac.
Thanks,
That's reassuring I just couldn't face having to reinstall W10 AGAIN.
Aghhhh ! I used bootcamp assistant and all seemed well then I received this message
The startup disk cannot be partitioned or restored to a single partition.
The startup disk must be formatted as a single Mac OS Extended (Journaled) volume or already partitioned by Boot Camp Assistant for installing Windows.
The partition is no longer on the desktop but I have not recovered the 260GB I was expecting.
Your thoughts ?
Can you post the output of the following OSx Terminal commands?
diskutil list
diskutil cs list
sudo gpt -vv -r show /dev/disk0
sudo fdisk /dev/disk0
The "sudo" commands will prompt for your password, and it will not be echoed back. You may also see a warning about improper use of "sudo" and potential data loss due to "abuse" of the command.
Thanks.
Could you guide me to where I would find that ?
Go To Applications -> Utilities -> Terminal and start Terminal.
Individually copy each line and paste it in the Terminal windows and press enter. If prompted, enter your password. Post the output of the commands after you remove any information you consider personal.
Thanks for your time
Here is what came back
Last login: Wed Sep 30 19:43:50 on console
Colins-MBP:~ colinjohnson$
Colins-MBP:~ colinjohnson$ diskutil list
/dev/disk0
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *500.3 GB disk0
1: EFI EFI 209.7 MB disk0s1
2: Apple_CoreStorage 260.4 GB disk0s2
3: Apple_Boot Recovery HD 650.0 MB disk0s3
/dev/disk1
#: TYPE NAME SIZE IDENTIFIER
0: Apple_HFS Macintosh HD *260.0 GB disk1
Logical Volume on disk0s2
DFDD13E3-30AA-45CB-8A69-5F3CF2A1B823
Unencrypted
Colins-MBP:~ colinjohnson$ diskutil cs list
CoreStorage logical volume groups (1 found)
|
+-- Logical Volume Group 72A22AE8-45A9-4912-A5B9-67C029D35589
=========================================================
Name: Macintosh HD
Status: Online
Size: 260418039808 B (260.4 GB)
Free Space: 18903040 B (18.9 MB)
|
+-< Physical Volume BA16F0C5-3D29-45D6-966A-3A16155CFF4B
| ----------------------------------------------------
| Index: 0
| Disk: disk0s2
| Status: Online
| Size: 260418039808 B (260.4 GB)
|
+-> Logical Volume Family FB1A9069-F2F7-4054-8268-6133BE2ED492
----------------------------------------------------------
Encryption Status: Unlocked
Encryption Type: None
Conversion Status: NoConversion
Conversion Direction: -none-
Has Encrypted Extents: No
Fully Secure: No
Passphrase Required: No
|
+-> Logical Volume DFDD13E3-30AA-45CB-8A69-5F3CF2A1B823
---------------------------------------------------
Disk: disk1
Status: Online
Size (Total): 260046815232 B (260.0 GB)
Conversion Progress: -none-
Revertible: Yes (no decryption required)
LV Name: Macintosh HD
Volume Name: Macintosh HD
Content Hint: Apple_HFS
Colins-MBP:~ colinjohnson$ sudo gpt -vv -r show /dev/disk0
We trust you have received the usual lecture from the local System
Administrator. It usually boils down to these three things:
#1) Respect the privacy of others.
#2) Think before you type.
#3) With great power comes great responsibility.
Password:
The warning you see is expected. Type your password. It will not be echoed back to you, and then press Return/Enter.
Here is an example from my Mac.
sudo gpt -vv -r show /dev/disk0
Password:
gpt show: /dev/disk0: mediasize=1000555581440; sectorsize=512; blocks=1954210120
gpt show: /dev/disk0: Suspicious MBR at sector 0
gpt show: /dev/disk0: Pri GPT at sector 1
gpt show: /dev/disk0: Sec GPT at sector 1954210119
start size index contents
0 1 MBR
1 1 Pri GPT header
2 32 Pri GPT table
34 6
40 409600 1 GPT part - C12A7328-F81F-11D2-BA4B-00A0C93EC93B
409640 1448624648 2 GPT part - 48465300-0000-11AA-AA11-00306543ECAC
1449034288 1269536 3 GPT part - 426F6F74-0000-11AA-AA11-00306543ECAC
1450303824 1712
1450305536 503904256 4 GPT part - EBD0A0A2-B9E5-4433-87C0-68B6B72699C7
1954209792 295
1954210087 32 Sec GPT table
1954210119 1 Sec GPT header
Last login: Wed Sep 30 19:43:50 on console
Colins-MBP:~ colinjohnson$
Colins-MBP:~ colinjohnson$ diskutil list
/dev/disk0
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *500.3 GB disk0
1: EFI EFI 209.7 MB disk0s1
2: Apple_CoreStorage 260.4 GB disk0s2
3: Apple_Boot Recovery HD 650.0 MB disk0s3
/dev/disk1
#: TYPE NAME SIZE IDENTIFIER
0: Apple_HFS Macintosh HD *260.0 GB disk1
Logical Volume on disk0s2
DFDD13E3-30AA-45CB-8A69-5F3CF2A1B823
Unencrypted
Colins-MBP:~ colinjohnson$ diskutil cs list
CoreStorage logical volume groups (1 found)
|
+-- Logical Volume Group 72A22AE8-45A9-4912-A5B9-67C029D35589
=========================================================
Name: Macintosh HD
Status: Online
Size: 260418039808 B (260.4 GB)
Free Space: 18903040 B (18.9 MB)
|
+-< Physical Volume BA16F0C5-3D29-45D6-966A-3A16155CFF4B
| ----------------------------------------------------
| Index: 0
| Disk: disk0s2
| Status: Online
| Size: 260418039808 B (260.4 GB)
|
+-> Logical Volume Family FB1A9069-F2F7-4054-8268-6133BE2ED492
----------------------------------------------------------
Encryption Status: Unlocked
Encryption Type: None
Conversion Status: NoConversion
Conversion Direction: -none-
Has Encrypted Extents: No
Fully Secure: No
Passphrase Required: No
|
+-> Logical Volume DFDD13E3-30AA-45CB-8A69-5F3CF2A1B823
---------------------------------------------------
Disk: disk1
Status: Online
Size (Total): 260046815232 B (260.0 GB)
Conversion Progress: -none-
Revertible: Yes (no decryption required)
LV Name: Macintosh HD
Volume Name: Macintosh HD
Content Hint: Apple_HFS
Colins-MBP:~ colinjohnson$ sudo gpt -vv -r show /dev/disk0
We trust you have received the usual lecture from the local System
Administrator. It usually boils down to these three things:
#1) Respect the privacy of others.
#2) Think before you type.
#3) With great power comes great responsibility.
Password:
Sorry, try again.
Password:
gpt show: /dev/disk0: mediasize=500277790720; sectorsize=512; blocks=977105060
gpt show: /dev/disk0: PMBR at sector 0
gpt show: /dev/disk0: Pri GPT at sector 1
gpt show: /dev/disk0: Sec GPT at sector 977105059
start size index contents
0 1 PMBR
1 1 Pri GPT header
2 32 Pri GPT table
34 6
40 409600 1 GPT part - C12A7328-F81F-11D2-BA4B-00A0C93EC93B
409640 508628984 2 GPT part - 53746F72-6167-11AA-AA11-00306543ECAC
509038624 1269536 3 GPT part - 426F6F74-0000-11AA-AA11-00306543ECAC
510308160 466796867
977105027 32 Sec GPT table
977105059 1 Sec GPT header
Colins-MBP:~ colinjohnson$ /Volumes/WININSTALL/bootmgr ; exit;
We need to do a couple of things to get your disk space back.
1. Backup OSX using Time Machine or your favorite tool.
2. You have a CS volume, which needs to be reverted before the disk space can be added.
diskutil cs revert DFDD13E3-30AA-45CB-8A69-5F3CF2A1B823
3. Once you have the underlying HFS+ part visible, we need to merge partitions. You will temporarily lose your Recovery HD. The order of disks is critical in the following command.
diskutil mergePartitions JHFS+ "Macintosh HD" disk0s2 disk0s3
4. Run Disk Utility and drag the partition using the bottom right corner as far as it will go. This will absorb the Free Space into Macintosh HD.
5. Boot into Internet Recovery (Command+Opt+R - OS X: About OS X Recovery - Apple Support) and you should see a spinning globe. I assume your Mac supports Internet Recovery. Re-install OSX. It will not touch any of your files, but a backup is available from step 1 for safety. The re-installation will also rebuild the Recovery HD.
Test and verify.
Wow !!
I'll give that a try.
One question - will Win 10 survive ?
Yes, W10 will survive since it is on the OS X side, which is not being modified.
If you want to run each step and then post the results, it may make it a bit easier to address any issues that may arise. Step 1 should be fine, so Step 2 is where we should review the results.
Hi Loner T,
I haven't gone to sleep just very busy. Hope to have a go on Saturday night,
Ned
Take your time. 😉
Parallels - Remove bootcamp partition
