![]() ![]() If the setting “Allow the computer to turn off this device to save power” is checked, uncheck it and click OK Go to Device manager > Universal Serial Bus Controllers > right click USB Root Hub entry > Properties > Power Management. To get to Device Manager in Win 10, press the Win key + the x key (both together) and then click on the Device Manager link that appears in the options box ![]() ![]() If there is no power then check the USB Root Hub Power Management setting in Device Manager. Check that all the USB ports are supplying power to the connected USB device by plugging in a mobile phone and see if it starts to charge or a USB mouse and see if the laser light turns on.
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