Eggfinder LCD displays black bars

[SaturnV_]

Hey,
I finished soldering my Eggfinder starter kit today, and when I powered it up all I got was a long beep and black bars. It did this even when the GPS was on, too. Any help would be much appreciated.

EDIT: Image didn't work, so here's the direct link. https://imgur.com/a/SvIH1EM

Best,
SaturnV_

 

[Wayco]

Adjust the potentiometer for contrast.

 

[SaturnV_]

Adjust the potentiometer for contrast.

Holy cow it worked! Thanks so much!