Why is the third row screen not working?

Why is the third row screen not working?

Attached Files (1)
Related Articles RSS Feed
Storing and transferring tag information on Alpine CD and Mech-less head units
Viewed 1377 times since Fri, Oct 13, 2017
Source banner looses custom order
Viewed 1504 times since Sat, Oct 14, 2017
Which HDMI Adaptor is needed for video output on my mobile device?
Viewed 2381 times since Wed, Oct 4, 2017
iDatalink website says invalid serial number
Viewed 2366 times since Sat, Oct 14, 2017
How do I locate my nearest authorized Alpine dealer?
Viewed 3304 times since Fri, Oct 13, 2017
Storing and transferring tag information on Alpine AV and AVN head units
Viewed 1326 times since Fri, Oct 13, 2017
Volume Control Inoperative
Viewed 3499 times since Tue, May 1, 2018
Alpine Tune It Facebook Feature
Viewed 613 times since Tue, Oct 15, 2019
Alpine Restyle Systems Installation Tech Tips
Viewed 2838 times since Fri, Oct 13, 2017
Sound mutes when vehicle is shifted to reverse
Viewed 3329 times since Sat, Oct 14, 2017