ws281x not decting

I bought these LED from Amazon but there are not decting on Pi 4. Soldering done write.
How do I fix this?

https://www.amazon.co.uk/dp/B01CDTEG1O?tag=hyperioforum-21&ref=ppx_yo2ov_dt_b_product_details&th=1

Are you sure you want to run Hyperion under root? [Yes/No] yes

Please answer Yes or No.

Keep on repating itself

got angry and did it in capital and it went through