Overhead dvd screen not turning on.

[jpsTahoe]

Just bought a used 2012 tahoe ltz. Our overhead dvd screen wont turn on. Tried various remotes. There is no picture. Just a black screen. No blip no nothing. I took it apart from the roof and unplugged it. There is power going to it. Any help would be great. Thanks.

 

[denalianyone]

I know in my escalade I have two options for the rear output. Either duplicating the front screen or auxiliary. Aux works if you have anything plugged into to rear AV inputs. Make sure the rear is selected to output what's on the front display.


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[jpsTahoe]

Thanks for the reply. I've tried pressing the aux button the remote. I don't know if it even work. The screen is nothing but black. At night, the screen doesn't even look like it's even on.