The older driver cause drop in frame rate and crash while playing games. So, regarding this issue HP released new driver on November 23 2012. Yet not so much feedback from users, so your feedback is really appreciated, do state your model.
File name: sp59850.exe [297.14M]
Download link: http://ftp.hp.com/pub/softpaq/sp59501-60000/sp59850.exe
Supported Devices and Features
Intel Display Audio
Intel HD Graphics Family
Radeon HD 7590
Radeon HD 6490M
Radeon HD 6770M
Radeon HD 7470M
Radeon HD 7690M XT
Operating Systems Microsoft Windows 8 Chinese Market 64 Edition ,Microsoft Windows 8 Emerging Markets 64 Edition ,Microsoft Windows 8 Enterprise 64 Edition ,Microsoft Windows 8 Multi-Language 64 Edition ,Microsoft Windows 8 Professional 64 Edition
Microsoft Windows 8 (64-bit) Fix/Enhancement: - Provides the Microsoft WHQL Certified driver.