My iPod doesn’t work successful

See If you see a red X icon on your iPod classic or iPod nano (5th generation or earlier) - Apple Support. It is likely that the hard drive in the device has failed. You could explore the possibility of a third party replacement or SD card modification.

tt2

See If you see the Connect to iTunes screen on your iPhone, iPad, or iPod touch - Apple Support.

tt2

Hello Khalifa my iPod show a music note with a cd and the plug what is that about