Lenovo G510 Dual graphics card how to switch?

1, first open the computer Device Manager, point open Display device, open after you can see your notebook has a few graphics cards, I am an AMD's independent graphics and Intel's integrated graphics, because we want to enable independent graphics solid integrated graphics disabled, disabled only after the independent graphics operation.

2, this is the integration of the graphics card properties, click on the driver after the page has a enable or disable the device, because my integrated graphics has been disabled, the consolidation page is displayed on the enabled. We will be able to use the device after the change is disabled. The "monitor is unexpectedly closed and restored" will never be ejected.

3, the following is a thorough solution to the problem, after several tests found that CAD2015 software and my computer's independent video card is not compatible with the back with the integrated video card after running smoothly, nothing unusual!