Dual graphics cards, must be installed before you install the graphics card graphics core, the core graphics driver if there is a problem, the situation can not install the graphics card driver will appear, if it is driven version of the problem, consider using direct driver wizard to install the core driver of the graphics card, then install the graphics card drivers generally can be successful.
After entering can choose to automatically identify and download and install drivers, but some do not have the Java Runtime Environment browser or the system may not be able to use this feature, so you can choose to manually download.
Automatically install the driver fails
Click the Download Center to manually install the driver
PS: Dual graphics systems only use WIN7 or more, XP system does not support