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Magewell Pro Convert NDI encoders troubleshooting
The Magewell Pro Convert NDI encoders problems live-event techs bring to Ask Roadie most (also called Pro Convert 12G SDI 4K Plus, Pro Convert HDMI 4K Plus, Pro Convert HDMI TX, Pro Convert SDI 4K Plus). Pick your symptom, or describe your own in plain words, and get the likeliest fix first, with the manual page when there is one.
Common Pro Convert NDI encoders errors & problems
What techs run into most, and what's usually behind it. The step-by-step fix for your exact unit is in Ask Roadie.
- Step-by-step fixGet the fix →
Cannot find or reach the Pro Convert on the network / DHCP did not assign an address
Likely cause: The device always exposes a fixed USB RNDIS address for out-of-band config, and advertises itself over the LAN via discovery, so you can always reach it even before its Ethernet IP is known.
- Step-by-step fixGet the fix →
Checking stream health / diagnosing intermittent dropped frames on an NDI encode
Likely cause: Separating the two counters isolates the fault domain: network-side drops are a transport problem, capture-side drops are an input problem, so you stop chasing the wrong layer.
- Step-by-step fixGet the fix →
How to update firmware on a Pro Convert encoder
Likely cause: The updater verifies the signed package before applying; interrupting the write can brick the unit, so the on-screen Reboot step is the only safe way to finish.
- Step-by-step fixGet the fix →
NDI Monitor fails to display the image when a monitor is plugged into the encoder HDMI/SDI loop-through
Likely cause: With a display on the loop-through and SmartEDID enabled, the device can renegotiate an EDID/format that the NDI encode path cannot present cleanly; disabling SmartEDID keeps a stable EDID and restores the NDI image.
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NDI source from a Pro Convert encoder does not appear in NDI Studio Monitor / receivers on the network
Likely cause: NDI discovery uses mDNS plus group membership.
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Reference: current firmware and NDI version for Pro Convert Plus / 4K Plus encoders
Likely cause: NDI 6.x brings discovery/interop and performance fixes; a fleet split across NDI SDK versions is a common cause of odd discovery/compatibility issues, so keeping firmware matched avoids them.
- Step-by-step fixGet the fix →
Sending one NDI stream to many decoders saturates the 1GbE uplink
Likely cause: In unicast the encoder sends a separate copy per receiver, so bandwidth scales with viewers and can exceed 1GbE; multicast sends one copy the switch fabric replicates, keeping encoder bandwidth roughly flat regardless of decoder count.
Not on the list? Describe it your way, or paste the error code off the display. Ask Roadie works the problem with you until it's fixed or you have a clear next move.
How Ask Roadie helps with the Pro Convert NDI encoders
- 1. Pick the Magewell Pro Convert NDI encoders. It's already in the list.
- 2. Describe what you're seeing. In your own words, or the error code off the screen.
- 3. Get the likeliest fix first. Steps in order, the manual page when there is one, and a note when other techs have confirmed it.
- 4. Still broken? Tap 👎 and it keeps going from where you left off.
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