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Mac Book Pro - Dual Boot

Posted on 2014-01-09
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Last Modified: 2014-01-15
I have a MacBook pro 13" Model which has come originally with 500gb Hard disk . I have configured bootcamp along with OS X  & installed  Windows 7.

Win 7 is selected as boot partition.

i have removed the ODD added another SSD and formatted it as 'Mac OS Extended (Journaled).

Now, if the SSD remains connected then Win 7 does not get loaded, only black screen appears and cursor keeps on blinking.

As soon as i remove the ssd connection Win7 boots properly.

Is there any way both of these can co-exists.
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Question by:shaileshmonani
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by:jhyiesla
jhyiesla earned 50 total points
ID: 39767782
In OS X check in System Preferences to confirm that the BC partition is selected as the start disk.  If it is, you may just have to manually select it each time by starting the Mac and holding down the Option key to then allow you to manually choose Windows.  This may very well be a Windows thing. I had a user just yesterday that had a USB Verizon dongle connected to her laptop.  This isn't storage, just a Verizon cellular connector for when she's on the road.  We went to reboot her computer and it would not load Windows until we removed the USB device from the laptop.
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by:shaileshmonani
ID: 39770223
BC is selected as 1st boot option  & even if i try to load Windows option manually by pressing Option button the black screen with cursor blinking appears all the time.

No way win 7 loads till i disconnect the addtional drive...
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by:jhyiesla
ID: 39770760
OK, a couple of options.  I've done some research on this and it appears that you're not alone. Make OS X the startup volume and see if you experience the same thing. If you do, then it's either hardware or that's just the way it is -which I doubt since I do something similar without problems. I suspect that OS X will boot just fine. If OS X has the same problem, try resetting the SMC: http://support.apple.com/kb/ht3964

If OS X boots fine with the external drive attached, then the only other thing that I found for a Windows BC boot with this issue was to go into the Network connections center and, if you have an IEEE BW connection, disable it. Now this last suggestion was for an external drive connected via Firewire, so it may not even be an issue in your situation.

Like I said in my first post, I had a user with a straight Windows laptop who had a device connected via USB that wasn't even a storage item and Windows 7 would NOT boot until I disconnected it...it may just be a Windows thing.
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by:shaileshmonani
ID: 39771040
As you rightly say OS X boots fine & there is no IEEE connection also.
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jhyiesla earned 50 total points
ID: 39771088
I've looked at this problem a little more deeply and I think that if you had a regular PC, you "might" be able to do something within the BIOS. With the Mac, I think your stuck because Windows see this, but doesn't know what to do with it since it's formatted in a non Windows format and it just hangs. The only other suggestion is to make sure that you have the latest BC drivers for your Mac and the Windows OS. Be careful though, the very latest version ONLY works on 64-bit Windows OS, so if you're running 32-bit, you'd have to go back to a version that supports that... and I'm not saying it's the drivers, just that it's a possibility.
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Author Closing Comment

by:shaileshmonani
ID: 39784516
Had to do away with additional SSD as Win 7 would not boot
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