Amazon.com: HP Pavilion g6 Quad Core A8-4500M up to 2.8Ghz 8GB 1TB Hard Drive 15.6-inch HD LED AMD Radeon HD 7640G Graphics DVD+/-RW Web Cam HDMI USB 3.0 Windows 8 (Winter Blue) :
Parity > amd radeon 7640g, Up to 67% OFF
AMD Radeon HD 7640G inverting colours - Super User
Download and install Advanced Micro Devices, Inc. AMD Radeon HD 7640G - driver id 19493
amd radeon hd 7640g driver windows 10 64 bit> OFF-62%