: This indicates a failed EDID handshake. You need to create a custom resolution:
Once you have downloaded the Seiki 870t driver UPD, follow these steps to install it: Seiki 870t Driver UPD Download
: The Seiki 870t driver does not include audio. You need to manually set HDMI audio: : This indicates a failed EDID handshake
If the official Seiki 870t UPD fails, use a compatible generic driver: use a compatible generic driver: