1 when it froze for a while so I scared and turned it off. Then Itried to turn it back on but there was a picture of my iPad minis charger to connect to iTunes and the screen is just stuck there someone

I have an iPad mini and I was updating it to IOS 7.1 when it froze for a while so I scared and turned it off. Then I tried to turn it back on but there was a picture of my iPad minis charger to connect to iTunes and the screen is just stuck there someone plz help me I'm scared I don't want to loose any of my stuff like my movie I downloaded and all of my vacation pictures is there another way to do this without restoring it?