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Remove the extra partition from U3 drives via Windows Storage Devices
For all those having problems with the useless extra partition used in U3-enabled USB flash keys (the second "CD" mounting full of Windows software), I've posted a detailed solution to the problem on my website. Here's an excerpt with the essential details:
All you need is a Windows machine (I found one which had Parallels Desktop installed and it worked fine) and the Drive Key Boot Utility from HP (45mb download, no registration required).

Just plug your dead USB key into a Windows XP machine (real or virtual), run the app, click through all the recommended options, and let the software pulverize the drive's U3 enhancements into oblivion. Don't worry if it takes several minutes (with no progress bar), or if the program stops responding; just wait until it's finished. Go back to the Mac OS Disk Utility, and do whatever you want with your new, fully-functional USB flash drive (which is what you wanted in the first place).
Credit goes to Mark Rushton for finding out about this little tool.
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Remove the extra partition from U3 drives via Windows | 15 comments | Create New Account
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Remove the extra partition from U3 drives via Windows
Authored by: jcbeckman on Aug 06, '07 07:47:57AM

My SanDisk drive had the tool on the "cd" partition already, and even came up with an autorun program to configure the drive (including running the tool).



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Remove the extra partition from U3 drives via Windows
Authored by: devwild on Aug 06, '07 07:52:13AM
If you already have access to windows, just download the U3 removal tool from U3... http://www.u3.com/uninstall/

It removes the software and repartitions the flash drive. The only annoyance is the web page telling you what a horrible thing you are doing by removing the software that you are sure to need. ;)

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Remove the extra partition from U3 drives via Windows
Authored by: morespace54 on Aug 06, '07 08:06:13AM

Yep! That's what I did.
It's much faster (although you need to have access to Windows to run the software -as mentioned earlier- real or virtual).



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Remove the extra partition from U3 drives via Windows
Authored by: luomat on Aug 06, '07 07:54:05AM
Or Google for "remove u3" or "uninstall u3" and click on the first link which will bring you to

http://www.u3.com/uninstall/

and let you download the 2.5mb file from U3 itself.

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Remove the extra partition from U3 drives via Windows
Authored by: barryjaylevine on Aug 06, '07 09:53:04AM
A word of caution here. While I absolutely agree that the U3 garbage deserves to be blasted into oblivion, if you decide to use Apples Disk Utility to initialize the drive, use MS-DOS as the format and not any of the Mac formats; otherwise the drive will not be usable in a PC. Of course, this comment assumes you still wish to use the drive in a PC.

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Two things in this world aren't overrated: Macintosh and Lemon Meringue Pie.

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Please read the article
Authored by: Shawn Parr on Aug 06, '07 11:53:33AM

For those commenting to 'just use the uninstaller' they obviously have not read all the details.

This poor person tried to use Disk Utility to format the drive before uninstalling the U3 software, which I would imagine most Mac users would do. This causes the disk to be completely unusable, and for the uninstaller software to no longer be able to recognize and fix the drive.

That is why he points out the HP software to recover the drive.

Yes, if you get one of these drives, already have access to windows, and know that you need to run the uninstaller first, that is the best method. However if you are unfamiliar with the software (which until now I was), and tried the first step most Mac only users would try (format the drive) you will need this hint to recover functionality, otherwise the drive will be bricked.



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Please read the article
Authored by: tal_ino on Aug 06, '07 12:07:17PM

thank you.

i should have mentioned it in the post though :)



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Please read the article
Authored by: slchorne on Aug 06, '07 12:10:09PM

I was in the same position. I just blindly re-formated the drive and only then discovered that i can't use the un-installer.

This hint is a very useful workaround.



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Remove the extra partition from U3 drives via Windows
Authored by: delight1 on Aug 08, '07 09:27:16AM

why haven't they made a mac or linux uninstaller? one of the choices for uninstalling, which they force you to tell them, is "other os"...



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Remove the extra partition from U3 drives via Windows
Authored by: ilium007 on Aug 14, '07 06:00:58PM
Or just get the U3 removal software this link: http://www.u3.com/uninstall/final.aspx

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Remove the extra partition from U3 drives via Windows
Authored by: chrozz on Nov 04, '07 08:06:07PM

This is fixed in Leopard for everyones information :).



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I don't understand what you said
Authored by: DHB on Nov 12, '07 08:23:03AM

You said "this is fixed in Leapord" What do you mean? Did you accidentally post under the wrong hint? We are talking about getting U3 off of USB flash drives.



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Remove the extra partition from U3 drives via Windows
Authored by: catodysseus on Jun 06, '08 08:22:03AM
There is a U3 removal utility for Mac! Works with 10.4 Tiger. Removal Utility

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The "Removal Tool" requires installation of Mac OS X kext files - crazy!
Authored by: Krioni on Jun 02, '09 05:34:25PM

The "Removal Tool" requires installation of Mac OS X kext files - crazy!

There is no way I'm letting this company install KEXT files in my Mac OS X /System just to remove some annoying software. I don't trust they won't cause problems for me. I'll use some Windows machine instead.

Amazing!

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http://www.danshockley.com



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Remove the extra partition from U3 drives via Windows
Authored by: mackat on Feb 11, '10 09:16:03AM
Not really sure it is an update from SanDisk. But they have a difference utility for this need. http://kb.sandisk.com/app/answers/detail/a_id/826


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