VGA Driver Aspire 5750 laptop

Acer aspire 5750 laptop equipped by 2 graphics devices, Intel and nVidia Geforce, so when we want to install the graphics drivers these both device should be installed correctly. The first step is downloading the driver software, below are the links to download graphics driver of Aspire 5750 that is support Windows 7 64 bit.
Intel VGA driver
nVidia VGA driver
And the next step is installing Intel VGA driver followed by nVidia, sidedly. Don't forget, Intel for first and followed by nVidia. For note that before the action explain above i think you must install the chipset driver, this is the main driver software.