A BIOS update has been posted over at HP. A few models are supported in this release. Please note that I am posting this for informational purposes only.

COMPATIBLE PRODUCTS
Code:
SysId01=0x360A
SysName01=Compaq Presario CQ50;HP G50
SysId02=0x303C
SysName02=Compaq Presario CQ60;HP G60
RELEASE NOTES
Released: 2009-04-09

Version: F.36 A

Compatibility: Microsoft Windows Vista, Microsoft Windows Vista Home Basic (64-bit), Microsoft Windows Vista Home Premium (64-bit), Microsoft Windows Vista Home Basic (32-bit), Microsoft Windows Vista (64-bit), Microsoft Windows Vista Home Premium (32-bit)

System requirements: No additional prerequisites

Description: This package contains the WinFlash utility and a System BIOS image for the supported notebook models and operating systems. The WinFlash utility is used to locally flash the System BIOS (ROM) on notebooks operating in a Microsoft Windows Vista environment.

Enhancements: Improves system stability.
Please remember that this BIOS update is for AMD versions of these notebooks.

DOWNLOAD - ftp://ftp.hp.com/pub/softpaq/sp43001-43500/sp43029.exe

Feel free to discuss about this BIOS update in this thread.