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coolio0071 Author

Level 1

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Bootcamp Problems after Yosemite Update

Hello, community. As many before me quite recently, I've been having troubles with my win 7 bootcamp partition after updating to yosemite. Having gone through many methods online going into making the partition workable again, I've found Loner T's methods the only ones that seem to work.

I've followed most of the necessary steps I've garnered from a bunch of the other threads here, and have installed Parted Magic unto a bootable USB and with testdisk found a sector that seems to identically match my sudo fdisk /dev/disk0 output that I get in OS X:

Disk: /dev/disk0 geometry: 30515/255/63 [490234752 sectors]

Signature: 0xAA55

Starting Ending

#: id cyl hd sec - cyl hd sec [ start - size]

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

1: EE 0 0 1 - 1023 254 63 [ 1 - 409639] <Unknown ID>

*2: AF 1023 254 63 - 1023 254 63 [ 409640 - 400650744] HFS+

3: AF 1023 254 63 - 1023 254 63 [ 401060384 - 1269536] HFS+

4: DA 1023 254 63 - 1023 254 63 [ 412110848 - 78123008] <Unknown ID>

In Parted Magic, after choose EFI/GPT, analyze, and quick search, I get,

Disk /dev/disk0 - 251 GB / 233 GiB - 490234752 sectors (RO)

Partition Start End Size in sectors

P EFI System 40 409639 409600 [EFI]

D Mac HFS 409640 400335143 399925504

D MS Data 314429448 402331648 87902201

D Mac HFS 401060384 402329919 1269536

D MS Data 402331648 490233848 87902201

>D MS Data 412110848 490233855 78123008

D Mac HFS 488965176 490234711 1269536

Structure: Ok. Use Up/Down Arrow keys to select partition.

Use Left/Right Arrow keys to CHANGE partition characteristics:

P=Primary D=Deleted

Keys A: add partition, L: load backup, T: change type, P: list files,

Enter: to continue

NTFS found using backup sector, blocksize=4096, 39 GB / 37 GiB

The MS Data on the bottom's start and size matches the one I've found earlier. So what do I do from now? I could not make out fully what to do at this point in the process, and would like further advising. Currently I am deep searching the MS Data partition. Thanks to all who respond beforehand (especially Loner T)!!

MacBook Pro with Retina display, OS X Yosemite (10.10)

Posted on Oct 19, 2014 10:15 PM

46 replies

coolio0071 Author

Level 1

0 points

Oct 22, 2014 2:58 PM in response to coolio0071

I'm going for an hour now, I hope there will be some sort of explanation on this mystery by the tie I'm back 😟. Cya later, Loner T.

Loner T

Level 9

59,513 points

Oct 22, 2014 3:01 PM in response to coolio0071

Did Test1 and 2 succeed? Do you have any third-party NTFS on your Mac?

coolio0071 Author

Level 1

0 points

Oct 22, 2014 4:32 PM in response to Loner T

Tests 1 and 2 have been succeeding since I first did all the steps. I have had a purchased installation of Tuxera NTFS going for some time now, and before that I had FUSE for OS X, which is still in my preferences but is disabled, to not interfere with Tuxera, which as I understand is a better product.

Loner T

Level 9

59,513 points

Oct 22, 2014 4:38 PM in response to coolio0071

Please remove Tuxera temporarily and repeat test 3 and 4.

coolio0071 Author

Level 1

0 points

Oct 22, 2014 5:06 PM in response to Loner T

I'll disable it temporarily, and see what happens.

coolio0071 Author

Level 1

0 points

Oct 22, 2014 6:30 PM in response to Loner T

Everything is all good now! My goodness, I mean it still boggles me why Tuxera would interfere with bootcamp in such a way, but if I had to guess an application or service at some point that was interfering, I would guess that. So what now, Loner T?!

Loner T

Level 9

59,513 points

Oct 22, 2014 6:41 PM in response to coolio0071

Tuxera-NTFS and Apple NTFS have a conflict. I have told Tuxera folks numerous times, but they do not seem to care.

Can you now do Test 4 - Switch to Windows and Windows comes up successfully. If not Windows Startup Repair is needed.

coolio0071 Author

Level 1

0 points

Oct 22, 2014 6:53 PM in response to Loner T

I have just returned from Windows safe and perfectly happily 🙂. So, also, how will I be able to use my NTFS usb sticks now? Using FAT never worked for me because the files I use are over 4 Gb (or whatever the limit on file size is in FAT) and in addition need more capacity the maximum allowed. Using NTFS solved all my issues for me with Tuxera. Now, you also said Tuxera NTFS interferes with Apple NTFS... does that mean Apple now supports NTFS natively?? Give me the run down on this as well.

Loner T

Level 9

59,513 points

Oct 22, 2014 6:57 PM in response to coolio0071

You can now enable Tuxera. Apple NTFS can write, but Apple does not explicitly support writes. If you have a future conflict, disable Tuxera and test.

If you want to change Windows partition sizes, the best tool is Winclone.

coolio0071 Author

Level 1

0 points

Oct 22, 2014 7:27 PM in response to Loner T

So is there a point in using Tuxera NTFS, or a third-party NTFS handler, at all, compared to enabling Apple's features?

Loner T

Level 9

59,513 points

Oct 22, 2014 7:32 PM in response to coolio0071

Yes, you can beat up on Tuxera, if you have NTFS issue for Tech Support. 😉 Please tell them (again) of the issue you had, so they can go fix it.

coolio0071 Author

Level 1

0 points

Oct 22, 2014 7:53 PM in response to Loner T

Will certainly do! Now, if I may inquire more about the differences between the third party service and Apple's handling capabilities?

Also, may not come back tonight, so see you later, Loner T!
Thank you so much for all your help!!! I could not have done it without your expertise, which it seems literally no one else on the web shared 🙂. Now, to commemorate this success with a game of counter strike...

Loner T

Level 9

59,513 points

Oct 22, 2014 7:58 PM in response to coolio0071

This is a very clear explanation of how it works - http://www.cnet.com/news/how-to-manually-enable-ntfs-read-and-write-in-os-x/.

The writer on CNET used to post on these discussion forum some time ago. You can search for his name under People.

Here is an example - Re: same app appears two times.

G'night. Happy Counter-striking.

Ghnty

Level 1

0 points

Oct 25, 2014 7:20 PM in response to coolio0071

hey i had lots of problems with bootcamp partition also, what i did was deleted the partition, booted in safe mode and reinstalled the partition and then ran it and it worked. Could give it a try. Boot mac in safe mode by holding shift on boot.

Loner T

Level 9

59,513 points

Oct 25, 2014 9:01 PM in response to Ghnty

Ghnty wrote:

hey i had lots of problems with bootcamp partition also, what i did was deleted the partition, booted in safe mode and reinstalled the partition and then ran it and it worked. Could give it a try. Boot mac in safe mode by holding shift on boot.

How did you "restore" the partition in safe mode?

Bootcamp Problems after Yosemite Update