One cause may be insufficient current supply from the PC.
(This is not noise, etc., and cannot be handled by repeater cables, etc.)
Notebook PCs in particular may have a low total power supply or be in power-saving mode by default.
In this case, a simple solution is to use a self-powered HUB (HUB with AC adapter).
This will ensure that the power supplied to the camera and active cables comes from the HUB and not from the PC.
Translated with DeepL.com (free version)
Self-powered HUBs with ammeter are also available as shown below.
