Click the power management tab.
Usb power saving options.
In the power options dialog box expand usb settings and then expand usb selective suspend setting.
If you want usb ports to keep supplying power in sleep mode just uncheck allow the computer to turn off this device to save power.
Click change advanced power settings.
Click the start button and type edit power plan in the windows search box.
Choose your desired settings using the checkboxes and then click on ok to save these settings.
If you want to enable windows vista to turn off the usb root hub when the computer is running on battery power click enabled in the on battery list.
The operating system microsoft windows 7 allows the computer to shut off power to usb devices to save power.
For the notebook computer in our example there is only a balanced setting.
Repeat steps 3 and 4 for all of the usb root hubs on the computer.
Set both the on battery and plugged in settings to disabled then click ok to apply changes.
In this windows 10 guide we walk you through the steps to prevent the os from suspending usb devices by changing the power options in the control panel.
How to disable usb selective suspend.
Under the power management tab you will see the option for restricting power to the usb port to save battery power.
Under the selected power plan click change plan settings.
Expand the universal serial bus controllers branch then double click the usb root hub device and choose the power management tab.
Right click on the usb root hub you want to change and then click on properties to open the usb port s properties dialog box.
Or check it to let windows turn off usb ports to save power.
Click change advanced power settings then scroll down to usb settings and click the little plus next to usb selective suspend setting to expand the options.