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Flash drive problem

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#1 keyboardNinja


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Posted 14 January 2010 - 10:52 AM

All right, here is my situation:

I recently bought an 8GB flash drive to replace my smaller 2GB one.

I chopped my new one into 3 partitions:

Acronis True Image Home bootable rescue disk (always valuable, but even more so when I get my netbook)
Windows 7 Repair disk (created as a DVD first in Backup center, then just copied the files and folders to the flash drive)
and the big partition I use for all my data that I like to carry around, like school documents, assignments, my favorite programs (these are synced with folders on my laptop to keep things current)

Now, after making the partitions, I took away the drive letters from Acronis and Win7 repair, as I don't need them showing up in My Computer every time I sync my data and stuff. If I want to boot of one or the other (Acronis or Win7 repair), I simply set that partition as active in Disk Management, press F12 on boot, and choose to boot off the USB device. (Acronis is currently active, but I can change it easily to the repair if I need to)

Here's the problem:

When I insert my flash drive on a university lab computer, the extra bootable partitions show up in My Computer, even though they shouldn't. If I took away the drive letters using my computer, why would they show up on another? I know that drive letters can be swapped around when moving to different computers, but I thought that if it was marked as having no drive letter, it would not be assigned one. Also, I cannot open Disk Management on a lab computer to take away those drive letters on my flash drive (they don't want people screwing with the on-board hard drive, obviously).

Is there anyway to keep these supposed "hidden" partitions from showing up on a computer that's never seen the flash drive before?

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