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To Loner T... We were talking earlier about me getting Windows on my Mac Yosemite (2009)...

Hey Loner T,

Our conversation apparently timed out earlier & I wasn't allowed to post any more... I hope you can still help me...I'm SO CLOSE to completing this ongoing nightmare of a task!! As of right now, I've cleared out my "trash" and I still only have 36.82 GB of free space on my start up disc. You suggested I allocate at least 100 GB to Windows when I partition (which is the step I am at...) Is there a way I can use another HD (an external one) to install Windows on? Or does it HAVE to be my internal HD/start up disc??

iMac, OS X Yosemite (10.10.5)

Posted on Aug 28, 2015 4:41 PM

100 replies

jessdancer Author

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Aug 29, 2015 7:07 PM in response to jessdancer

Hey! Are you there? Sorry, just got off an 1.5 long phone convo! UGH

jessdancer Author

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Aug 29, 2015 7:23 PM in response to Loner T

Ok, my Macintosh HD now says: 225.94 GB available. Should I go back to Boot Camp Asst and start all over again and try to allocate 100 GB to Windows??

Loner T

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59,471 points

Aug 29, 2015 7:24 PM in response to jessdancer

Yes, please try BCA again.

jessdancer Author

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Aug 29, 2015 7:25 PM in response to Loner T

OK, Doing now!

jessdancer Author

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Aug 29, 2015 7:34 PM in response to Loner T

Ok, so I now have the partition as:

Windows: 100 GB

OS X: 399 GB, 126 GB free

Is this an ok time to proceed?

Loner T

Level 9

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Aug 29, 2015 7:36 PM in response to jessdancer

BC Partitioning also requires contiguous disk space. Let us see how this works.

jessdancer Author

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Aug 29, 2015 7:40 PM in response to Loner T

So should I proceed??.... In other words, should I now click "install"? I'm nervous!

Loner T

Level 9

59,471 points

Aug 29, 2015 7:47 PM in response to jessdancer

Yes, please. Please post any error messages.

jessdancer Author

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Aug 29, 2015 7:50 PM in response to Loner T

Ok, installing now!

jessdancer Author

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Aug 29, 2015 7:54 PM in response to Loner T

Ok, as soon as I clicked "install" I got this message:

"Boot Camp needs to update the USB drive before installing Windows 7.

The USB drive connected to this Mac contains a bootable volume. In order to install Windows 7 from the DVD, the Boot Camp Assistant needs to disable this functionality. No information on the drive will be removed. Do you want to continue?"

What now??!

Loner T

Level 9

59,471 points

Aug 29, 2015 8:06 PM in response to jessdancer

Yes, you do want to continue. Do you also have a DVD in the Optical drive?

jessdancer Author

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Aug 29, 2015 8:22 PM in response to Loner T

Yes, I have a DVD in the optical drive! I literally just took the flash drive out when I had to plug in my other external HD. That may be why that message came up..... Should I re-plug in my flash drive??