Corsair pen drive mounting but not visible on desktop

Hi there
I'm having a problem or two with a MacBook Pro. The Corsair USB2 pen drive I've been using quite happily for some time now appears at first glance to have stopped mounting itself when it's plugged in.
I've taken a look in disk utility and the drive appears there so hopefully I'm right in assuming that it's mounting correctly. Also by clicking the volume from disk utility I'm able to browse the drive, so what have I done?
Is it possible to hide a mounted drive? It isn't visible in finder either, only through disk utility.
Any help would be grand.
Thanks in advance
Gary

http://docs.info.apple.com/article.html?artnum=58566 iMac (Slot Loading): Troubleshooting CD/DVD Eject Failures
http://docs.info.apple.com/article.html?artnum=106752 Macintosh Non Intel: How to Eject a Disc When Other Options Do Not Work
http://support.apple.com/kb/TS2097 Intel iMac: If you can't eject a CD or DVD or open the drive tray
http://support.apple.com/kb/TS2288 Troubleshooting a CD-ROM or DVD-ROM Disc That Does Not Appear on the Desktop
 

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