I'm pretty certain my USB hub doesn't need to be uplinked to charge devices (the computer definitely does not need to be on) and unplugging the hub to detect new devices is not necessary.
Robert Connolly <robertconnolly1...@gmail.com> wrote: >Hello. I recently bought self powered USB hubs. To my surprise I had two >problems. > >One of the major reasons I bought self powered USB hubs was to power and/or >charge USB devices, like wireless keyboards, phones, ear phones, etc. I >expected the self powered USB hub to be able to charge devices without >being uplinked to a computer, but the USB hubs I bought would not charge >anything unless the hub was uplinked to a computer. This meant that I could >not charge the family phones in the kitchen, away from a computer. > >The second problem with these hubs is that they did not discover new >devices when I plugged them in the hub. I would have to disconnect the hub >from the computer, and reconnect it, for the new devices to be discovered. >I since searched for replacement hubs, and found "smart" hubs, which have a >button switch to reset the hub, to allow new devices to be found. > >Is it normal for USB hubs to not work independently, for the purpose of >charging? > >Is it normal for external USB hubs to not discover newly plugged in devices? > >Thank you
