Usb Power Saving Settings

Or check it to let windows turn off usb ports to save power.

Usb power saving settings.

Depending on your computer you may see several preset plan settings balanced power saving performance etc. 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. The operating system microsoft windows 7 allows the computer to shut off power to usb devices to save 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. 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. For the notebook computer in our example there is only a balanced setting. Click the power management tab.

Click the start button and type edit power plan in the windows search box. 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. 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. Click change advanced power settings.

Under the selected power plan click change plan settings. Click on power options. Click on ok to save your changes. Under the power tab you can see the power output for that usb port.

Click on the power management tab and then choose the power settings you want using the check boxes next to each option. Set both the on battery and plugged in settings to disabled then click ok to apply changes. Choose your desired settings using the checkboxes and then click on ok to save these settings. Under preferred plan click the change plan settings link for the plan you re currently using.

Under the power management tab you will see the option for restricting power to the usb port to save battery power.