Cycle TV inputs first — you may be on the wrong one. Swap the cable to another device to see if the cable or device is faulty. Inspect the HDMI for frays or exposed wires; braided cables resist damage ...
XDA Developers on MSN
That old HDMI cable in your drawer is silently killing your TV's best features
What's the point of HDMI 2.1 support if your cable isn't good enough?
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