G470 Solution of flower screen in the condition of external power supply

G470 in the state of the external adapter, especially when the camera is turned on (Lenovoyoucan). As illustrated:

Operation steps:

First, the power management driver, graphics driver, camera driver update;

Then, click on the option bar in the right button, will eject the video card settings, you can see a power option;

Click "Powerplay" to eject the power set;

Select the inserted maximize performance change to maximize battery life, as shown in the figure: