hdmi - consumertechfix.com

Should You Update Your TV Firmware? How to Do It Safely

TV updates fix real HDMI and app problems and occasionally cause new ones. Here is when to update and how.

Brief blackouts with the sound continuing, or both dropping together, point at different causes. Here is how to tell them apart.

Sound without picture usually means the panel or backlight rather than the source. Here is the flashlight test that tells you which…

Expensive HDMI cables are mostly a waste of money, but the cheapest ones genuinely fail at 4K. Here is where the line…

A single dead port is sometimes a failure and often a setting. Here is how to tell, and how to work around…

A screen that blanks for a second and comes back is usually a cable or a power saving setting, not a dying…

No signal with a device clearly powered means the handshake failed. Here is the sequence that re-establishes it.

Silent TV with a perfect picture is almost always an audio output setting, an HDMI handshake, or a soundbar that has taken…

A second screen that stays black is usually a cable, an input source, or a display setting. Here is how to work…

Lips moving before the words arrive, or after. Here is why audio delay happens, where in the chain it is introduced, and…

A TV that drops to No Signal at random is usually a handshake or cable problem, not a failing television. Here is…