Lenovo G470 An example of the external power supply flower screen solution

G470 in the state of the external adapter the flower screen especially when the camera is turned on (Lenovoyoucan) The fault is obvious. As illustrated:

Operation steps:

First, the power management driver, graphics driver, camera driver update, the fault remains.

Then click the option bar in the right button to eject the video card settings. Then you can see an option for the power supply;

Click "Powerplay" to eject the power set;

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

Click Apply to troubleshoot.