HP Only provide Windows 8 drivers for this model on their website. If you not a fan of windows 8 and want to use Windows 7, you just need to install windows updates to get most of the drivers. Most of the drivers automatically installed along Windows 7 installation such as Audio, Graphic and Wireless.
You will notice in Device manager there will be 2 drivers missing. They are:
PCI device and Universal serial USB controller. So it is easy to identify what drivers we need by looking at the hardware ID.
PCI device: - Refer to Card Reader
Universal serial (USB) controller - Refer to USB 3.0
So you just need to Install these 2 drivers and your are done.
1. Card Reader
Realtek Card Reader Driver : (SP56467)
2. USB 3.0
Install Both driver and reboot:
AMD USB 3.0 Chipset Driver : Download
AMD USB Filters : Download
USB drivers will provide the drivers so that your computer recognize your USB 3.0 and make it usable. The USB Filter driver on the other hand will provide power management and performance optimization.