External hard drive is reading as a CD optical drive?

Until recently, I had been using a Clickfree C2N Home Backup Drive successfully to backup both my machines: a MacBook Pro currently running OS X 10.6.8 (my primary computer) and an Asus netbook running Windows XP. I had suspended use of the device for a few months due to termintating regular use of the Windows machine and relying primarily on Mac's native Time Machine backup system.
However, today I attempted to connect to the Clickfree device in order to provide a redundant backup of the Mac and, possibly, some other devices. Upon doing so, it prompted me to install the software, which had already been installed on the computer. This was the first sign that not all was right. Over the course of the morning, I re-installed and updated the software, but the C2N continues to not be readable as a backup device.
According to my disc utility, the computer is reading the drive as a USB optical CD-ROM drive. It will not allow me to repair, erase, or otherwise modify the drive. I have not run it through an external USB hub during any of these attempts. It is plugged into my MacBook's USB port directly. Clearly, the computer can find the device and recognize it as a Clickfree product. It simply seems to think it is the wrong sort of drive.
I have contacted Clickfree customer support by email and am waiting on their input. However, in my experience, they aren't exactly experts in Mac devices and issues. If anyone has any counsel regarding this matter, I would be appreciative. The principle issue is to get the computer to read the drive correctly, as an external hard drive. After that, I will attempt to see if the Clickfree backup software will operate correctly, but that is likely an issue solely fixable via their customer support.

Have you tried doing this?
Drive Preparation
1. Open Disk Utility in your Utilities folder.
2. After DU loads select your hard drive (this is the entry with the mfgr.'s ID and size) from the left side list. Click on the Partition tab in the DU main window.
3. Under the Volume Scheme heading set the number of partitions from the drop down menu to one. Click on the Options button, set the partition scheme to GUID then click on the OK button. Set the format type to Mac OS Extended (Journaled.) Click on the Partition button and wait until the process has completed.
4. Select the volume you just created (this is the sub-entry under the drive entry) from the left side list. Click on the Erase tab in the DU main window.
5. Set the format type to Mac OS Extended (Journaled.) Click on the Security button, check the button for Zero Data and click on OK to return to the Erase window.
6. Click on the Erase button. The format process can take up to several hours depending upon the drive size.
I take it that this drive was formatted for use on both a Mac and a PC. If you wish to continue using it that way then you need to format the drive as MSDOS (FAT32).

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Hi Experts
I have been using a Mac Book pro from 2011 (Early 2011 Model), In the mid of 2012 I have planned to upgrade, and bought a 240 GB SSD and 16 GB ram from OWC, Installed successfully and bought another 750 GB WD Sata Disk and connected it to the Optical Drive Bay of the Laptop, using the optical drive as an external device now
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Your expert advice is much appreciated
Regards
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Welcome to the discussions!
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Connect the drive to your Mac and open Applications > Utilities > Airport Utility.
Click your disk on the left and click the erase tab on the right. You need to format the drive in +Mac OS Extended (Journaled)+. Formatting will erase everything on the disk.
Then you could try the drive again attached to your AirPort Extreme to see if that will do what you want.

Not able to read DVD in the optical drive, but able to read CD

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Same with USB drive plugged into the TC.
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https://discussions.apple.com/message/24380694#24380694
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It cannot be partitioned. It was and is and ever shall be a backup device for Time Machine.
Major issues.
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(cf Belly of the sarlacc http://starwars.wikia.com/wiki/Sarlacc)
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3. The drive is slow to spin up and quick to spin down.. there is no controls.
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Q3 here. http://pondini.org/TM/Time_Capsule.html

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You Can!! But Should you??
Can and Should are different.
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Store files on the TC.
https://discussions.apple.com/message/24380694#24380694
This is asked several times a day.. obviously people are struggling with their latest SSD being too small.
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Read pondini for some work arounds.
Q3 here. http://pondini.org/TM/Time_Capsule.html

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Hello,
I am using Mac OS X 10.9.3 Mavericks and from a few days i am facing an issue that my mac mini late 2012 model doesnt reads my external hard disks, it reads my pendrives.
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thanks
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Youtube - www.youtube.com/punitkhatri1999

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External hard drive is reading as a CD optical drive?

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