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Sonix IPTV

Troubleshooting

Black Screen with Sound or No Picture: How to Fix It

Problem summary

A black screen — with or without sound — usually points to a video decoder or display connection issue on the device, not your account. Changing the player’s decoder setting fixes most cases.

Likely causes

  • Hardware decoder can’t handle a stream format
  • HDMI/HDCP handshake issue between device and TV
  • Outdated app or device firmware
  • Display resolution or frame-rate setting mismatch

Step-by-step diagnosis

  1. 1Is it every channel or only some? Some → decoder/format. Every channel and the menus too → HDMI/display connection.

Safe corrective actions

  1. 1In the player settings, switch the decoder (Hardware ↔ Software, or choose a different internal player).
  2. 2Unplug the HDMI cable at both ends, try a different HDMI port, and avoid cheap HDMI switches when testing.
  3. 3Update the player app and the device software.
  4. 4Set the device’s display resolution to Auto or 1080p for testing.

Check that it’s fixed

  • Play a few channels from different categories and one movie.

Still not working? Contact support

Send us a message on WhatsApp, Telegram or through the contact form with:

  • Your order or trial reference
  • Device model and player app (with version, if shown)
  • What you see — an error message, a screenshot or a short phone video helps most
  • Whether you hear sound during the black screen

Related articles

Device guides

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