While you may click on Get help now, on bottom right of your screen, the device is out of warranty in 2017.  You may take it to a local computer repair shop.  It's very unlikely that Dell service center still carry parts for your device. 
Good afternoon,  I have a desktop Inspiron 7459 AIO. My desktop fall from table. The screen was broken. May I request nearest service center for repair it? My location is Philippines.
Inspiron 7459 AIO, broken screen