I'm not sure if this is related, but my QHY8 is really picky as to what USB cables will work.
Are there any 5m USB cables around that will work? I've tried some and Windoze reports that "the USB2 device will work better plugged into a USB2 port", or sometimes the first of the "new device" driver installs runs, but the second one does not and the camera won't work.
If I switch to the short cable that came with the camera it works plugged into the same port on the same laptop.
I've tried the same process on another laptop and got the same symptoms.
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