AMD Radeon HD 8750M doesn't detect - HP Support Community - 5683260
216-0842000 HD8750M
System board (motherboard) - Features the AMD A76M FCH chipset and AMD Radeon HD 8750M graphics (switchable discrete) - For use in AMD models without Windows 8 and with 1GB discrete graphics
System board (motherboard) - Features the Mobile Intel HM76 chipset with AMD Radeon HD 8750M 2GB discrete graphics - Includes replacement thermal material - For use in models with Windows 8 Professional Edition - Mac Palace