I had persistent problems with my H20 2 (first edition) connecting with my previous motherboard. Not only would it often fail to connect, but when it did, it completely broke my ability to connect any other usb device until computer was restarted, (unless I disabled USB3 in the bios, or used a usb hub.).. The problem was hardware specific, however. The same firmware did not exhibit any problems with other kobo devices. And the problematic device would work just fine on my Laptop and my new computer. I know this is just an anecdote, and on it's own, really doesn't prove anything.... Hardware incompatibilities of various types are, sadly a fact of life.
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