Chrome desktop · Research guidance. Instructions are based on publisher guidance; a UK IPTV account was not tested on this platform.
Identify the quiet layer
Start the intended video and check whether its own mute control is on. Then test an unrelated known audio source at a comfortable level. If other computer audio works but this website remains silent, a browser permission is one useful next check. Do not increase every volume control to maximum while investigating; sound returning suddenly can otherwise be unpleasant.
Find the browser permission
Google documents desktop Chrome’s sound controls in the browser’s site settings. Open Chrome’s settings, use its settings search to find Sound, and inspect the default together with any website exceptions. Read the domain carefully. A similar-looking login or advertising domain is not necessarily the page on which the intended player is running.
Change only the relevant scope
If the trusted site is explicitly prevented from playing sound, adjust that site’s exception rather than allowing sound everywhere as an experiment. Keep a note of the previous choice. A permission that allows sound does not force the player to start, unmute its own control or choose the correct physical speaker. Those remain separate checks.
Repeat a small, consistent sample
Return to the same video and use a short spoken passage. Note whether the player advances normally and whether sound appears. Avoid changing the output device, player settings and browser exception in the same attempt: several simultaneous changes make it difficult to know which one mattered. If a reload is required, save any unrelated work on that page first.
Describe the remaining symptom
If the site is allowed and the player is unmuted but silence remains, retain those observations for support. Say that other computer audio works, name the browser and give the affected site’s public domain without including private account URLs. A sound permission is a diagnostic branch, not proof that a service account or every programme is functioning.
Questions, answered
Does allowing site sound start a video automatically?
No. Permission, player playback and the player’s own mute control are separate.
Should all sites be allowed as the first test?
Prefer the relevant trusted site’s setting and preserve the previous choice.