Hi:
For the USB3, download and install both of these drivers and restart the PC.
This package contains the AMD USB 3.0 driver. This package is available on supported notebook models that are running a supported operating system.
http://ftp.hp.com/pub/softpaq/sp63501-64000/sp63988.exe
This package provides the AMD USB Filter Driver, a USB upper-classfilter driver for the AMD chipsets. The AMD USB Filter Driverprovides power management and performance optimizations forsupported notebook models running a supported operating system.
http://ftp.hp.com/pub/softpaq/sp63501-64000/sp63782.exe
For the other W7 x64 drivers, you should be able to use the ones from the g7z-2100 on your model, except the BIOS and firmware files.
http://support.hp.com/us-en/drivers/selfservice/HP-Pavilion-g7-Notebook-PC-series/5262610/model/5275...