After changing any video parameters, click and the units will reboot (≈10 s) to adopt the new settings.
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| Symptom | Likely Cause | Fix | |---------|--------------|-----| | | HDMI cable not seated / bad HDMI source | Re‑seat HDMI; test source directly on display | | Link LED amber | Bad Ethernet cable or no link | Replace cable; test with a known‑good cable | | Stutter / frame drops | Insufficient bandwidth (cable too long, too many extenders on same LAN) | Reduce resolution/refresh, use higher‑grade cable, enable multicast, add a QoS rule | | Audio missing | Audio not supported on current firmware or disabled in settings | Enable audio in Video → Audio tab; upgrade firmware if required | | Receiver shows “No Signal” while Tx shows HDMI LED solid | EDID mismatch – Rx is not advertising a format the Tx can output | Use the Rx’s EDID tab to upload a 4K‑60 Hz EDID, or enable “Auto‑detect” | | Units reboot repeatedly | Over‑voltage or unstable power supply | Verify 12 V 1 A adapter rating; try a different outlet or PoE source | | Latency spikes > 10 ms | Network congestion (other traffic on same LAN) | Enable Multicast , prioritize with QoS, or move extenders to a dedicated VLAN | After changing any video parameters, click and the