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Sequencer only boots when connected to computer, not from powered USB hub


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I recently upgraded to a STM32F4 Core. Everything works fine, except that I cannot power the sequencer from a USB hub (via either USB connection). The backlights of the screens turn on, but it doesn't boot. Anybody knows what I am doing wrong? Thanks a lot for input.

 

That came as a surprise when I used the sequencer (for the first time ever) for a live PA recently. I had to ask a friend to go fetch a laptop, otherwise it wouldn't have worked.

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