Usb Power Saving 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.

Usb power saving settings.

Choose your desired settings using the checkboxes and then click on ok to save these settings. 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. Under the power tab you can see the power output for that usb port. In the power options dialog box expand usb settings and then expand usb selective suspend setting.

Click change advanced power settings. Under preferred plan click the change plan settings link for the plan you re currently using. Repeat this process for each usb port hub you want to change. Repeat steps 3 and 4 for all of the usb root hubs on the computer.

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. 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. Click on ok to save your changes. For the notebook computer in our example there is only a balanced setting.

Set both the on battery and plugged in settings to disabled then click ok to apply changes. Or check it to let windows turn off usb ports to save power. Click on the power management tab and then choose the power settings you want using the check boxes next to each option. Click the start button and type edit power plan in the windows search box.

Under the selected power plan click change plan settings. If you change the settings on the power plan that isn t active this won t. The operating system microsoft windows 7 allows the computer to shut off power to usb devices to save power. Under the power management tab you will see the option for restricting power to the usb port to save battery power.

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.