Need Help~!! How to Change Hard Disk Icon~???

I was running Wireless network set up wizard, I accidently used my D-drive(which is my storage drive) as a USB flash drive. After I restarted my computer, D-drive change the icon to a wireless USB icon. How can I change it back? And will the stuff in D-drive be shared as a shared hard drive?? Please tell me how to change it back. Please~!!!