First, a critical heads-up: The official website is gone, and Windows usually handles this display automatically.
If you landed here looking for the official Seiki 870T driver, you've hit a dead end. Seiki exited the North American TV/monitor market years ago, and their driver support page is gone. seiki 870t driver download
Still stuck? Check your HDMI cable – that's the real culprit for 120Hz mode. #Seiki870T #TechHelp First, a critical heads-up: The official website is
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Having trouble finding a driver for your Seiki 870T ? Don't waste hours searching.