CD Emulated on USB Drive?

I have a USB drive that was given to me as a promotional product. When it is put into the computer, two drives show up: g: a CD-ROM drive, and H: the removable disk. Disk Manager does not show G:, the supposed CDROM.

I want to get rid of this phantom CDROM, which is on the USB drive. I can't find it with partition magic, disk manager, etc... I have formatted the drive, and it is still there.

How do I do it?
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 The problem is with the drivers...
 Open the device manager... delete those two drives... then remove your device... Hit the "scan for new hardware button" or simply right click on the computer simble and then choose "scan for new hardware"

 Check if the cdrom is still there with the drive disconeced.. if it is the problem is not with the drive... If it is not.. try downloading the latest driver for your drive. Reconnect your usb drive and see if it appears again.. if it does.. the driver still has problems. But that should solve the problem.
Are you sure that this device is not built with a READ ONLY section that will always emulate a CDROM?  I've seen such devices and they are intended just for such promotional uses.

So you get to use the writable part but the read-only part is the price you pay.  Kind of like ad-supported software.
Gary CaseRetiredCommented:
This is most likely a U3 structured flash drive.  There was a recent question/discussion about these, and a link to a U3 removal tool was posted in the post at Date: 02/07/2006 03:22PM PST

The complete discussion is at:

The U3 uninstaller link is at
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DrDamnitAuthor Commented:
The uninstaller doesn't work (at least for this device it doesn't). Any other suggestions?
Gary CaseRetiredCommented:
What partition structure does Disk Manager show for the drive?
DrDamnitAuthor Commented:
Disk manager shows that there are two separate disks, not two partitions on one disk. What else should I use to look at the partition?
Gary CaseRetiredCommented:
"... Disk manager shows that there are two separate disks ..." ==> the hardware on the drive is causing this; so you can't simply repartition/reformat and get rid of the phantom CD.   I don't have anything exactly like this to try -- but it's likely that if you simply delete the current partition on the disk that is emulating a CD that you'll no longer "see" the CD.

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