Could you test it in ASIStudio-ASICAP on Windows PC?
Please connect the camera directly to the PC, do not use any hub, and keep the 12V power supply connecting.
https://astronomy-imaging-camera.com/software-drivers
Please set short exposures such as 10ms in video mode or preview mode, and check the fps, if fps show 0, please take a screenshot of ASICAP software.
Please test it with different cables, ports, computers, and different power supplies.