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I bought a USB C to HDMI cable, connects to the TV perfectly but then after a short period (30 seconds?) the video stops and the audio continues. Reconnecting the cable leads to the exact same every time. Toshiba smart TV.
iPad Pro, iPadOS 16
As described, your USB-C to HDMI cable (presumed to include the required interface adapter/converter) may be failing to properly support HDCP - this being the most common cause of audio with no video.
If you are able, try to test your adapter/cable with another TV - preferably a different model/manufacturer. Otherwise, consider using an Apple Digital AV Multiport Adapter and a regular HDMI 2.0 cable (or better).
https://store.apple.com/xc/product/MUF82ZM/A
As described, your USB-C to HDMI cable (presumed to include the required interface adapter/converter) may be failing to properly support HDCP - this being the most common cause of audio with no video.
If you are able, try to test your adapter/cable with another TV - preferably a different model/manufacturer. Otherwise, consider using an Apple Digital AV Multiport Adapter and a regular HDMI 2.0 cable (or better).
https://store.apple.com/xc/product/MUF82ZM/A
Many thanks for the reply. I’m not sure if this is the answer though - the video works for a brief time before stopping? And works again by unplugging and plugging in again.
I have used my iPad and the same cable to the same TV without playing video and it seems to work fine. Googling HDCP sounds like it shouldn’t work at all.
I should also mention the device you added to a link to says it is not available open apple.
iPad Pro video stops after playing on TV through USB-C to HDMI, audio continues
