Support Article - Disabling Onboard Graphics IGP

With PC completely turned off 

Power on the PC and repeatedly press the Del/Delete key

Until the blue & white Aptio Bios screen comes up

From there using the Arrow keys to navigate and Enter key to select 
Go into Chipset
Go to System agent (s) configuration
Go into Graphics Configuration
Go to Internal Graphics
Set to Disabled
Press F10 to save and Exit

Your computer will reboot into Windows as normal