User Manual

Check the battery temperature

1. Open the Start menu and click Lenovo Vantage.

2. Click Hardware Settings ➙ Power.

3. Locate the Power Status section and then click Show Details to view the battery temperature.

Maximize the battery life

• Lower the brightness of the computer display.

• Turn off the wireless features when not in use.

• Use the battery until the charge is depleted.

• Recharge the battery completely before using it.

Set power button behaviors

You can define what the power button does according to your preference. For example, by pressing the

power button, you can turn off the computer or put the computer to sleep or hibernation mode.

To change what the power button does:

1. Right-click the battery status icon in the Windows notification area.

2. Click Power Options ➙ Choose what the power button does.

3. Change the settings as you prefer.

Set the power plan

For ENERGY STAR

compliant computers, the following power plan takes effect when your computers have

been idle for a specified duration:

Table 1. Default power plan (when plugged into ac power)

• Turn off the display: After 10 minutes

• Put the computer to sleep: After 30 minutes

To reset the power plan to achieve the best balance between performance and power saving:

1. Right-click the battery status icon and select Power Options.

2. Choose or customize a power plan of your preference.

Transfer data

Quickly share your files using the built-in Bluetooth or NFC technology among devices with the same

features. You also can insert a media card or smart card to transfer data.

Connect to a Bluetooth-enabled device

You can connect all types of Bluetooth-enabled device to your computer, such as a keyboard, a mouse, a

smartphone, or speakers. The devices must be within a short distance, usually 10 meters (33 feet), from the

computer.

1. Turn on Bluetooth on the computer.

• Press

or .

X390 Yoga User Guide