THE TV REMOTELY GUIDE LIBRARY
HDMI & devices
Connect and troubleshoot external TV inputs, consoles and receivers.
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HDMI & devices17
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TV sound and picture are out of sync
Compare TV speakers, HDMI sources and soundbars to trace lip-sync delay, then adjust only the audio controls that match the problem.
General guideSoundbar connected but TV speakers still play
Check whether TV speakers and a soundbar are intentionally playing together, choose the correct output and investigate unwanted echo.
General guideHDMI ARC or eARC has no sound
Check ARC/eARC ports, speaker selection and soundbar input to diagnose missing HDMI return audio without changing unrelated settings.
General guideTV says no signal on an HDMI input
Trace an HDMI no-signal message through source power, input selection, cable and video-format checks before replacing equipment.
General guideHDMI picture cuts out intermittently
Isolate brief HDMI picture dropouts from flicker and input switching, then compare cables, direct connections and supported signal modes.
General guideGame console will not show on the TV
Check console power, HDMI input and direct connection, then use the console maker’s supported display recovery if the TV stays blank.
General guideHDMI device will not display in 4K
Find where a 4K HDMI signal fails by checking the TV port, source output, cable, receiver and supported video modes together.
General guideTV switches HDMI inputs by itself
Identify the device or remote switching TV inputs unexpectedly, and understand the effects of changing HDMI-CEC controls.
General guideWhat HDMI-CEC does and when to use it
Understand HDMI-CEC power, volume and input commands, manufacturer names and compatibility limits before enabling or disabling it.
General guideConnect an older device to a TV without its input
Match an older player’s output to a modern TV input, check adapter direction and active conversion, and set realistic picture expectations.
General guidePC text looks blurry on a TV over HDMI
Improve blurry computer text on a TV by checking native resolution, desktop scaling and supported PC input settings.
General guideAV receiver blocks the HDMI picture
Compare direct HDMI with the AV receiver path to find input, output, pass-through or signal-format causes of a missing TV picture.
General guide
Menu names and features vary by TV model. See how we test or explore the TV Remotely overview.
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