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Level 1

5 points

Windows 7 partition gone after installing Yosemite

Hi!

I recently installed Yosemite (OS X 10.10) and now when I was going to boot my Windows 7 partition (by holding down 'alt' when booting) I realized that it's gone.

When I checked Disk Utility this is what I found:

The Boot Camp partition is not there. But there's a new partition (Have not seen it before) called disk0s4 and it needs to be repaired. I assume this is my no longer working Boot Camp partition (?)

Should I just choose the recovery option when booting and use an back up from yesterday for the disk called 1TB HD? Or what should I do to get the Windows 7/Boot Camp partition back?

I'm using a late 2009 iMac 27"

iMac, Mac OS X (10.0.x), Late 2009

Posted on Oct 17, 2014 11:00 AM

66 replies

Xegony42

Level 1

1 points

Dec 5, 2014 4:00 PM in response to Loner T

Boot Camp Lost After 10.10.1 Upgrade

Here is my thread. Any assistance is much appreciated!! Need to recover this if possible.

macelms

Level 1

0 points

Dec 8, 2014 9:14 AM in response to Loner T

Hi Loner T,

the sudo ask for password??? and I got this, please can you help me!

Marcelos-Pro:~ Marcelo$ diskutil list

/dev/disk0

#: TYPE NAME SIZE IDENTIFIER

0: GUID_partition_scheme *960.2 GB disk0

1: EFI EFI 209.7 MB disk0s1

2: Apple_HFS Macintosh HD 602.5 GB disk0s2

3: Apple_Boot Recovery HD 650.0 MB disk0s3

4: Microsoft Basic Data 151.0 GB disk0s4

/dev/disk1

#: TYPE NAME SIZE IDENTIFIER

0: GUID_partition_scheme *1.0 TB disk1

1: EFI EFI 209.7 MB disk1s1

2: Microsoft Basic Data DATA BACKUP 1000.0 GB disk1s2

/dev/disk2

#: TYPE NAME SIZE IDENTIFIER

0: FDisk_partition_scheme *1.5 TB disk2

1: Windows_NTFS FreeAgent Drive 1.5 TB disk2s1

Marcelos-Pro:~ Marcelo$

Marcelos-Pro:~ Marcelo$ diskutil cs list

No CoreStorage logical volume groups found

Marcelos-Pro:~ Marcelo$

Marcelos-Pro:~ Marcelo$ sudo gpt -vv -r show /dev/disk0

WARNING: Improper use of the sudo command could lead to data loss

or the deletion of important system files. Please double-check your

typing when using sudo. Type "man sudo" for more information.

To proceed, enter your password, or type Ctrl-C to abort.

Password:

Dec 8, 2014 10:18 AM in response to Loner T

Boot camp parition missing after upgrade to OS X Yosemite

Here is my thread. Could someone help?

macelms

Level 1

0 points

Dec 8, 2014 10:22 AM in response to lponiewierski

the problem is the sudo ask for password and I dont have password

Loner T

Level 9

59,477 points

Dec 8, 2014 11:17 AM in response to macelms

macelms wrote:

the problem is the sudo ask for password and I dont have password

If you are the only user on the Mac, you also have administrative privileges, and your password will work.

Dec 26, 2014 8:23 PM in response to Xegony42

FIXED IT!!!

Alright the first thing you are gonna need to do is download a Mac Application called Stellar Phoenix Mac Data Recovery.

When you open it click on the option to recover from drive/partition. Then select your drive "Most should be (Macintosh HD)"

When you start it, it will have a bunch of blocks and will be scanning the whole drive.

Once finished you should see a drive or drives with the description NTFS.

When you see that congrats!

When its done it will let you navigate and you will be able to see the windows partition.

Then select it and click recover.

--------------------------------------------

Now I moved all the files on a drive and installed a fresh version of Window 7.

After I installed it through Bootcamp, I went back to mac and added all of the original files to the Windows Partition.

AND you should be set to go.

By The Way im 15. Good Luck.

Please Like This So People Can See THANKS. Good Luck

Jan 21, 2015 12:09 AM in response to Loner T

Bootcamp does not appear as a bootable option for me either. This is my post.

In my case, it was not as a result of upgrading to Yosemite but to replace my hard drive for a SSD and cloning the existing partitions instead of the whole drive.

If somebody could give me a hand it would be greatly appreciated.

Thanks.

Jan 21, 2015 3:51 AM in response to Jesper-A

Hi,

After a nasty weekend trying to install an arduino clone on my Yosemite, I was thinking to install Yosemite again since I lost the support for my D610. However, after reading this post I am a bit sceptical... I want to ask if anybody knows whether or not this problem has been fixed by Apple or is still a problem. I don't want to loose my bootcamp partition.

Just a comment... Apple is becoming more and more crap. I bought a mac to make my life easier but actually now is becoming more complicated than when I use to be windows.

k3ntrol

Level 1

0 points

Feb 9, 2015 2:40 PM in response to Loner T

Installed Yosemite (OS X 10.10), Windows 7 Partition/Bootcamp does not work.

Loner T, Could you please help me step by step on how to get my windows up and running again. Thank you.

vincyboi

Level 1

0 points

Jun 10, 2015 6:43 PM in response to Loner T

Hello Loner T,

I am a bit of a novice and has followed your suggestions of installing the both programs. I have seen the name changed from disk o4 to bootcamp, where disk utility has given me the option to mount bootcamp however it says unable to mount and I need to launch repair. PLEASE HELP!!

Loner T

Level 9

59,477 points

Jun 10, 2015 7:32 PM in response to vincyboi

May I suggest that you post a new discussion and include the output of the following Terminal commands? This avoids confusion for future readers.

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.