回答“Missing capacitor on motherboard”You can probably find a capacitor of that kind on the website LCSC.
回答“iPod nano generation 7 start up- hardware or software problem”I had a very similar problem with my iPod. I fixed mine by restoring it through iTunes. Also if an error occurs and your restoring it use it an apple computer try using a windows computer with iTunes downloaded on it.
回答“Display Screen is Cracked”I wonder if you could find just the screen for the laptop and not the assembly. This could maybe bring down the closet of the replacement.