Razer Basilisk v3 Pro Loosing connection

Hi!

My mouse is loosing the connection often. The problem occurs after i start my computer, it happens about 10-15 through the day. Since i use it for gaming, this bothers me alot.
I tried updating my chipsetdriver, reverting it. Unplugging it into another USB. The dongle is about 10cm from the mouse, plugged into the extender that came with it. Tried it without the extender..
Tried it with the newest firmware, with and without synapse.. Did i forget something?
I cant try it on another computer at the moment..

Thanks for helping.
Kumahh