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External Hard Drive Interferes with Boot-Up

Posted on 2013-01-12
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I am running Windows 7 on a Lenovo laptop with USB 3.0 capabilities.  Yesterday I purchased a Western Digital Passport 2TB external hard drive.  The drive works fine, but when it is plugged in on boot-up the computer hangs at the Lenovo splash screen.  If I plug the hard drive in after Windows loads (e.g. at my user login screen), everything works fine.  I tried going into MSCONFIG and disabling the automatic unlock feature of the drive, but it didn't change anything.  All of my other USB 2.0 and 3.0 devices (including 2 other external drives)  work fine without any boot-up difficulty.  Any idea what could be causing this?

Thanks,

Phil
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Question by:philsimmons
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Accepted Solution

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mprssjpr earned 1200 total points
ID: 38770285
At a guess, does the external drive have any WD software included on it, in its root?

There could be something that is confusing the laptop's BIOS into thinking it's a bootable device.

If this is the case, there would be two options:

1. Examine the drive in Disk Management, and check if it has any hidden partitions. Delete them all, and make a new one, remembering to format. (You might want to make a copy of the WD software in case you want it back later).

2. Change the boot options in the laptop's BIOS to exclude any external devices.
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Author Comment

by:philsimmons
ID: 38770312
Thanks.  

1.  There is definitely WD software on the drive, since it has built-in security encryption.  I don't think I should mess with that.

2.  Can you tell me how to adjust the boot options in the BIOS?
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Expert Comment

by:ded9
ID: 38770337
Try chaning the boot priority...make sure hard drive is set as the first boot device.



Ded9
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Assisted Solution

by:Michael-Best
Michael-Best earned 800 total points
ID: 38770339
The WD software on the drive is the glitch.
To adjust the boot options in the BIOS see:
http://pcsupport.about.com/od/fixtheproblem/ss/bootorderchange.htm
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Author Closing Comment

by:philsimmons
ID: 38770358
Thank you!
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