One of the causes may be is PC’s current supply is insufficient.
(It is not interfere, so we can not deal with repeater cable)
Especially notebook PCs may have a small power or in power saving mode in the initial state.
In this case, using a self-powered HUB (HUB with an AC adapter) is an easy solution.
The power supplied to the camera and active cable is now supplied from the HUB not the PC.
There is also a self power HUB with an ammeter as below
