If the ‘Power Capabilities’ listing shows D2 and D3 as ‘Supported’, then it means any peripheral connected to that port can put the PC to sleep or wake it up from sleep. It should range from D0 (maximum) to D3 (Sleep Mode). You’ll now see Microsoft’s power classification for that particular USB port under the ‘Current Power State’ header.Now click on the drop-down menu under Property, scroll down if you have to, and select ‘ Power Data‘. In the new popup window, go to the ‘ Details‘ tab.Double-click on ‘ USB Root Hub‘, ‘ USB Composite Device‘ or ‘ Generic USB Hub‘ to open the ‘ Properties‘ window for that particular port. Here, you can see a list of all the available USB ports on your PC.In the Device Manager window, scroll down and double-click on ‘ Universal Serial Bus controllers‘.
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