Solved: USB Drive Showing Improper Capacity

I have a thumbdrive that I dd'd with CentOS, and ever since then it's showing that it's like 4.5MB when it's 8GB. Anyone know how I can restore it so it'll work? Simply moving large files on it doesn't do anything and while Windows Computer Management shows it's proper size (even if My Computer does not), it won't let me reformat the entire drive or create a new volume with the excess space (over 7 GB).

 

Try HP's USB format tool
http://www.softpedia.com/get/System/Hard-Disk-Utils/HP-USB-Disk-Storage-Format-Tool.shtml

 

I fixed it with a utility called AEIO Partition Editor, or something like that. Thanks for your reply, took a while but I finally found a tool!