Could not locate synced iPod Nano with iTunes

Hello! I installed iTunes this morning since I've got my new desktop PC. I am certain that the iTunes I downloaded is up to date.
I synced my iPod Nano into it but it did not show up.
I've got various mp3 songs which I need to sync with iTunes so Can someone please tell me where and how I could find it?
The usual way is, when you sync your Apple devices with iTunes, it normally opened the iTunes with your inserted device. But mine is not showing.
How can I fix it?
