Usb Power Saving Options

The operating system microsoft windows 7 allows the computer to shut off power to usb devices to save power.

Usb power saving options.

Set both the on battery and plugged in settings to disabled then click ok to apply changes. 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. Click the power management tab. 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.

If you are using a laptop computer this feature may help if you do not want usb powered devices to draw off the computer s battery while the devices are not actively being used. 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. 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. Depending on your computer you may see several preset plan settings balanced power saving performance etc.

Click change advanced power settings. Expand the universal serial bus controllers branch then double click the usb root hub device and choose the power management tab. 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. Or check it to let windows turn off usb ports to save power.

Turn off the allow the computer to turn off this device to save power by unchecking the box then click the ok button. Under the power management tab you will see the option for restricting power to the usb port to save battery power. For the notebook computer in our example there is only a balanced setting. In the power options dialog box expand usb settings and then expand usb selective suspend setting.

Click the start button and type edit power plan in the windows search box. How to disable usb selective suspend.