Raspberry freezes or right model shows garbage after a few seconds

1.Which seller did you purchase the product(s) from?

2.The Model number of the product(s) you have purchased?
3.Which Platform are you using the product(s) on?
Pi 4b 4gb
4.Which instruction are you following?
Online doc
5.Has your product ever worked properly?

6.What problems are you experiencing?
The pi freezes or one of the modules start grabbing garbage with raspivid -t 0
7.What attempts at troubleshooting have you already made?

8.How would you like us to help you?