Hello everybody!
I’ve had this problem for a while and posted it on multiples mac forum but nobody ever knew how to fix it.
Last year I tried to install window on my mac, but for some reason it didn’t work and I am now stuck with a 100gb “untitled” partition. I am running out of space and I would really love to utilize these 100gb.
People told me to run bootcamp and to figure it out but when I run bootcamp, it says “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.” I have no idea what it means.
At this point I kinda gave up on installing windows (even if it would be nice), but all I want is get my 100gb back!
Thanks to anybody who can help!
Kevin
I decided I no longer wanted the Bootcamp partition I created so, using DiskUtility, I deleted it. I then restarted the computer, selected to install the updates, and the computer froze. I did a hard restart, was treated by the apple logo and the boot bar. The boot bar progressed to 3/4 of the way and the computer shut down. I booted into recovers and ran first aid on the device; everything came back OK. Any ideas?
I wanted to remove my window partition from my mac air but encountered some difficulties using the Boot Camp Assistant.
I followed the instruction and repaired the disk with Disk Utility and then tried the operation again. However, it still didn’t work.
I went to Disk Utility and erased the bootcamp memory, hoping that I can remove the partition using the “-” in Disk Utility, but didn’t work.
I thought I may be able to
I even tried changing the format to MS-DOS(FAT) so that I could run boot camp assistant again, but no luck.
I’m trying to install Windows 8.1 using Boot Camp, after previously deleting my Windows 10 partition after getting into an Auto Repair loop. I get the following error after hitting the “format” button on Windows Setup: “We couldn’t create a new partition of locate an existing one. For more information, see the Setup log files.”
From looking at other pages, I’m noting that I seem to have more drive partitions than others do (although Disk Utility says I only have no partitioned discs). In the Windows Setup screen, the following things are shown:
Drive 0 Partition 3 128.0MB 0.0MB Primary
Drive 1 Partition 1:EFI 200.0MB 196.0MB System
Drive 1 Partition 2 412.1GB 0.0MB Primary
Drive 1 Partition 3 619.0MB 0.0MB Primary
Drive 1 Partition 4:BOOTCAMP 518.6GB 518.5GB Primary
Why does it seem I have so many partitions? Disk Utility only shows I have one (plus the Boot Camp one). Is this preventing me from installing Windows 8.1? I used BootCamp when my computer was new, 2 years ago, and had no problem at all. And I’ve added no partitions since (to my knowledge).
Any assistance would be greatly appreciated!
Hi,
After attempting to change my Bootcamp partition, I am no longer able to boot into Windows. If I restart and hold option, I only get the Mac Disc. However, I can still find the contents of my Windows Disc in finder. Can someone please explain how I can get it back?
I have a Mac running OS X El Capitan 10.11.2. I’m not sure what other information is needed, so please tell me and I can respond. Thank you so much.
Hi everyone,
I have a short question concerning Boot Camp.
I installed Boot Camp yesterday on a 500GB partition created with Boot Camp. I have realized that on Windows, it says my Windows drive is only 465GB, and same with the Macintosh HDD which is also 500GB. On OS X (10.9.5) it shows both drives to be 500GB. I do recall from last time installing Windows there was a slight reduction in space, but not 35GB. Is this correct?
Thanks a lot for your time!
~Mathias
Hi all,
I am having issue with my MacBook Air which has the 80GB Samsung hard drive.
I have booted with the Leopard CD and I am using the disk utility to try and delete the volume and start again.
It has been sat on “creating partition map” for well over an hour now.
Just wondering how long I should be leaving this?
If I try to exit disk utility it tells me there is a task in progress so I assume it has not crashed.
Thanks in advance.
I tried to give more space to bootcamp, but after reboot the computer. In the bootcamps open window only shows black screen
After seeing this I try to find anyway to solve the problem I go to System Preferences –> Startup Disck (only show Macintosh HD OS X, 10.9.5) I selected it and restart. After restart the problem still not solve and show another black screen message “Can’t loaded operation system”.
I try to repair the partition. for Macintosh HD is verify and pair well. but for the bootcamp partition is show “disk0s4″ and I can’t verify or repair
When I click verify
when I click repair
I searching some tips to repair in Terminal. But now I can see the window after reboot by hold Option. but after click it. it still show black screen. can’t load operation system.
Please help me !
<Image Edited by Host to Remove Serial Number>
OK, I have an old MacBookPro5,3 running 8GB RAM and a 500GB upgraded SSD. This was my old machine, and I gave it to my daughter three years ago… I have now upgraded a second time and wanted to clean hers up a bit.
The machine is running fine, but when I configured it for her in 2013, I partitioned it (I think it was Mavericks at the time) with a Bootcamp partition and Windows7. She hasn’t used Windows in a very long time on this machine, so having filled up the drive, I wanted to wipe out the Bootcamp partition and just make it all Mac again.
So I opened Disk Utility and tried to remove the Windows partition… but the Partition option in Disk Utility removed the partition (from 2 to 1 using the “-” command), but did NOT restore the additional empty space to the main drive portion!
How can I re-join the remaining portion of the drive?! Disk Utility sees only one partition, but on the desktop (and in the Disk Utility Menu) I still see two partitions!
How can I remove empty Boot Camp partition? I need to update my operating system from Mac OS 10.6.8. I want to get rid of my unused Boot Camp to gain space. I am not a computer guru!
K.P.
Hi
Need some urgent help here actually!
I am currently using osx el capitan and have a boot camp partition (windows 8.1). Tried to repartition it just now and it was successful but I tried to reboot up to windows but cant reboot?
Anyhelp??
Thanks!
Can’t boot to mac after bad formatting partitions from windows.
After installing windows from mac I’ve created aditional third partition for data. It was in hfs+ and I needed it in ntfs. The structure of partitions was (Macintosh HD) – (Data) – (BOOTCAMP). Then I decided to format it to ntfs from windows and, unfurtunately, I did bad thing – after dropping Data partition, I dropped as well two small hidden partitions without names in widnows disk manager – (about 200MB) before Windows partition, and another (about 620MB) between Mac and Data (for now I assume that was AB00 Recovery HD). After all of this I can only boot Windows.
Is it possible to fix this somehow without deleteing windows and reinstalling everything with internet recovery?
http://imgur.com/uSH5FvD results for commands
diskutil list
diskutil cs list
gpt -vv -r show /dev/disk0
fdisk /dev/disk0
Thanks!
Hi, I have a Mid 2009 macbook air that I have been using with bootcamp with windows 7.
I now no longer want the windows partition and have have deleted the partition but I cannot remove it and get back to a single partition. It will not let me resize the master volume and only lead me with one?
The windows partition has gone and I am left with the spare space but cannot resize the apple partition to utilise the space.
Can anyone help?
Hello,
This is about a mid 2012 Macbook Pro with El Capitán and Bootcamp.
After repeated problems with Bootcamp (Windows 10 Pro) I started using Terabyte’s Image for Linux in order to backup this Macbook. The Terabyte forums let people know that Image for Linux (just like Image for Windows) is able to create a good backup and also to restore it – either by restoring a whole disk image or by restoring individual partitions.
I followed their instructions precisely and enabled the two options “restore first track” and “GPT hidden from OS” (as an official Terabyte member of the forum wrote) when restoring a partition.
Unfortunately, this did not work! Bootcamp was no longer visible in the start-up screen and/or was visible but did not boot.
What I found, was that I had to keep the two options (see above) DISABLED.
Then I could successfully restore images of whatever partition – and Windows 10 in Bootcamp is bootable.
Okay, this was the lengthy intro. Sorry.
Now my real question is:
Is it a problem that my partition table has changed?
Before restoring an Image for Linux backup for the first time, I had this partition table:
localhost:~ root# fdisk /dev/disk0
Disk: /dev/disk0 geometry: 60801/255/63 [976773168 sectors]
Signatu 0xAA55
Starting Ending
#: id cyl hd sec – cyl hd sec [ start – size]
————————————————————————
1: EE 1023 254 63 – 1023 254 63 [ 1 – 409639] <Unknown ID>
2: AF 1023 254 63 – 1023 254 63 [ 409640 – 857906448] HFS+
3: AB 1023 254 63 – 1023 254 63 [ 858316088 – 1269536] Darwin Boot
*4: 07 1023 254 63 – 1023 254 63 [ 859586560 – 117186560] HPFS/QNX/AUX
BUT:
After the failed restore attempts and the finally working restore operation my partition table looks different:
fdisk /dev/disk0
Disk: /dev/disk0 geometry: 60801/255/63 [976773168 sectors]
Signatu 0xAA55
Starting Ending
#: id cyl hd sec – cyl hd sec [ start – size]
————————————————————————
1: EE 0 0 2 – 1023 255 63 [ 1 – 409639] <Unknown ID>
2: AF 25 102 15 – 1023 255 63 [ 409640 – 857906448] HFS+
3: AB 1023 0 57 – 1023 255 63 [ 858316088 – 1269536] Darwin Boot
*4: 07 1023 199 8 – 1023 255 63 [ 859586560 – 117186560] HPFS/QNX/AUX
Everything seems to work alright, but I wonder whether the different look of the partition table might be a problem?
For instance, compa
1: EE 1023 254 63 – 1023 254 63 [ 1 – 409639] <Unknown ID>
to
1: EE0 0 2 – 1023 255 63 [ 1 –
409639] <Unknown ID>
This is the output of “diskutil list”:
localhost:~ root# diskutil list
/dev/disk0 (internal, physical):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *500.1 GB disk0
1: EFI EFI 209.7 MB disk0s1
2: Apple_HFS Macintosh HD 439.2 GB disk0s2
3: Apple_Boot Recovery HD 650.0 MB disk0s3
4: Microsoft Basic Data BOOTCAMP 60.0 GB disk0s4
And this the output of “gpt -r -vv show /dev/disk0″:
gpt show: /dev/disk0: mediasize=500107862016; sectorsize=512; blocks=976773168
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 976773167
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 857906448 2 GPT part – 48465300-0000-11AA-AA11-00306543ECAC
858316088 1269536 3 GPT part – 426F6F74-0000-11AA-AA11-00306543ECAC
859585624 936
859586560 117186560 4 GPT part – EBD0A0A2-B9E5-4433-87C0-68B6B72699C7
976773120 15
976773135 32 Sec GPT table
976773167 1 Sec GPT header
Output of “gdisk /dev/disk0″:
localhost:~ root# gdisk /dev/disk0
GPT fdisk (gdisk) version 1.0.1
Warning: Devices opened with shared lock will not have their
partition table automatically reloaded!
Partition table scan:
MBR: hybrid
BSD: not present
APM: not present
GPT: present
Found valid GPT with hybrid MBR; using GPT.
Command (? for help): p
Disk /dev/disk0: 976773168 sectors, 465.8 GiB
Logical sector size: 512 bytes
Disk identifier (GUID): 38A2E667-6E00-4C0F-BD78-C95979E3CFAE
Partition table holds up to 128 entries
First usable sector is 34, last usable sector is 976773134
Partitions will be aligned on 8-sector boundaries
Total free space is 957 sectors (478.5 KiB)
Number Start (sector) End (sector) Size Code Name
1 40 409639 200.0 MiB EF00 EFI
2 409640 858316087 409.1 GiB AF00 Macintosh HD
3 858316088 859585623 619.9 MiB AB00 Recovery HD
4 859586560 976773119 55.9 GiB 0700 BOOTCAMP
Any Ideas?
Another question:
Is it okay to save the partition table like this?
dd if=/dev/sda of=gptandmbr bs=512 count=34
Many thanks
neumac
Yesterday I had a fatal error in Windows 10 running in the Boot Camp partition on my Macbook Air running OS 10.11.2. I was forced to reinstall Windows 10 completely.
Once I had successfully reinstalled Windows 10, and the Boot Camp utility and drivers, I restarted in OS X and now I get a pop up warning that says:
No Boot Camp Partition! No Boot Camp Partition was found. Please make sure you have a Boot Camp Partition with Windows installed.
Well, the the Boot Camp partition is there, Windows 10 is working correctly (such as it is), and I can see and read the volume in OS X. I can mount and unmount the volume in Disk Utility, but I keep getting the No Boot Camp Partition! warning box.
I have done a lot of searching and I can not find a mention of this issue.
Any ideas?
Mike
So, what happened is I put all my mac data onto a external HDD and then proceeded to delete everything on my computer (excluding recovery). I then installed windows 10 with a flash drive with bootcamp I had and allocated around 750GB out of 1000GB to windows. I was hoping to dedicate around 200GB for another mac partition to use whenever I felt like going on mac, but my recovery partition is gone and all I have is a windows partition. I have a late 2012 Mac Mini and my specs are as follows: Intel Core i7-3615QM @ 2.30Ghz, 4.00 GB of OEM ram, Windows 10 Pro, 1TB OEM Hard Drive (not fusion). I don’t have any install disk for mac as it didn’t come with one, though if my only option is to buy one online, I will.