Replace the Pi HAT if it is not supplying power to the Raspberry Pi, resulting in display issues.
Loosen the two terminal screws and remove the black and red power leads from the Pi HAT.
Remove the two Pi HAT mounting screws and keep them together.
Disconnect both ribbon cables from the Pi HAT.
Press the Pi HAT down evenly until it is fully seated.
Reinstall the two mounting screws and tighten them gently.
Verify polarity, then reconnect both ribbon cables to their original connectors until fully seated.
The Pi HAT is level and fully seated on all header pins, both screws are secure, polarity is correct, and both ribbon cables are fully seated.
Email support@finishedresults.com. Tell us you completed procedure 06 and what you saw when you checked your work. Replacement parts are ordered the same way.