# Scratch stuck at SDI startup screen

After connecting to SDI plugin in Scratch the image doesn't update - it's stuck on the startup SDI screen.

![The signal from Scratch is stuck at this](/files/-MUhWUIZ0jnR9cKbznJV)

### Resolution

Make sure Enable Output button is enabled in Settings / Monitors:

![](/files/-MUhWu5qRDpymyhB5TTx)


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