Solved! Hisence TV help

Dec 13, 2018
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My new hisense tvs I got on the black friday deal (55r6000e) have black vertical lines in the background throughout the whole screen spaced evenly apart, Both tvs I bought have the same issue. On light colored screens,you can see them. They show up in the apps too.
Hisense wants me to ship them to Georgia for repair. Is there anything I can do that would fix the problem before the boxes arrive that they sent too me?
 

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