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DeckLink Duo Not Showing as Input in vMix After Fresh Windows Install
Rank: Newbie
Groups: Registered
Joined: 7/29/2025(UTC) Posts: 1  Location: Porto
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I recently formatted my PC and reinstalled everything from scratch, including the latest drivers and vMix version.
The system correctly detects my DeckLink Duo card — it shows up in Device Manager and is fully configured in Blackmagic Desktop Video Setup (all channels set to SDI Input).
However, when I try to add a camera input in vMix, the DeckLink Duo does not appear as an option in the device list.
- What I've tried so far:
- Installed Blackmagic Desktop Video version 14.5
- Installed vMix version 27.0.0.87
- Ran vMix as Administrator
- Reinstalled vMix completely
- Checked that the Blackmagic device is not being used by any other software
- Verified that each SDI input is receiving a valid signal
Still, vMix doesn't list the DeckLink inputs.
Has anyone experienced this before? Could I be missing a specific step during vMix installation (e.g., the Blackmagic support module)?
Thanks in advance!
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Rank: Advanced Member
Groups: Registered
Joined: 12/24/2021(UTC) Posts: 715  Location: athens Thanks: 164 times
Was thanked: 91 time(s) in 87 post(s)
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Hi.install vmix 27.0.0.89 and up. From this version is included the fix for BMD 14.3 and up
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DeckLink Duo Not Showing as Input in vMix After Fresh Windows Install
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