Audio:
IDT High Definition Audio Drivers
Windows 7 (32/64-bit) : Download
Windows 8 (32-bit) : Automatic (generic HD audio)
Windows 8 (64-bit) : Download
Graphic
AMD Radeon HD 6840G discrete class graphic
Windows 7 (32/64-bit) : Download
Windows 8 (32-bit) : Download
Windows 8 (64-bit) : Download
Touchpad
Synaptic Touchpad Driver
Windows 7(32/64-bit) : Download
Windows 8 (64-bit) : Download
Card Reader
Realtek Card Reader Driver
Windows 7(32/64-bit) : Download
Windows 8 (64-bit) : Download
LAN - Ethernet
Realtek Local Area Network - LAN - Driver
Windows 7(32/64-bit) : Download
Windows 8 : (automatic)
Bluetooth
Broadcom Bluetooth 4.0 Driver and Software
Windows 7 (32/64-bit) : Download
Windows 8 (32/64-bit) : Download
Webcam
Cyberlink Youcam Software
Windows 7 (32/64-bit) : Download
Windows 8 (32/64-bit) : Download
Keyboard and Mouse
HP Quicklaunch Software
Windows 7 (32/64-bit) : Download
Windows 8 : (automatic) or use windows 7 driver in case windows 8 failed to install it.
Wireless:
There are 4 available wireless drivers, choose base on your specification. HP released this model with 4 variant base on wireless adapter device. This device may varies within region and country. If you didn't know which to choose get the hardware ID and post it here. I will identify which you need to install. If you are not worried about your internet quota, download and test which worked for you. Installing wrong wireless drivers will not harm your system.
Broadcom Wireless LAN Driver
Windows 7(32/64-bit): Download
Windows 8(32/64-bit) : Download
Ralink 802.11 b/g/n Wireless Drivers
Windows XP/7 (32/64-bit) : Download
Windows 8 : Automatic
Atheros 2011 Wireless LAN Driver
Windows XP/7 (32/64-bit) : Download
Windows 8 : Automatic
Ralink RTL8188CE Wireless Drivers
Windows XP/Vista/7 (32/64-bit) : Download
Windows 8 (64-bit) : Download
OSD
HP On-Screen Display Utility Software
Windows 7 (32/64-bit) : Download
Windows 8 : Automatic
Utility
1. HP Launch Box : Download
2. HP Power Manager Utility Software: Download