Onn Roku TV Black Screen? | Do These 5 Things to Fix It

I cover every fix for an Onn Roku TV black screen, going over every possible cause and solution to get your TV working again.

Usually, you have a backlight failure, but you could also have a power board or main board failure. I show you how to diagnose and fix each of them.

[emolyfries]

Thank you for the informative video. I appreciate how simple you made it sound and the steps that I should take

[emilyfrits]

Hi I have a question my power supply board is a E021M059-A2 they are all sold out I have found a J3 and a B2 what is the difference