Ok, here is my suggestion for drivers, test it and report which works and which not, the main problems is with the audio which is Conexant High-Definition Audio Driver, anyway hope this drivers works and report the progress.
CHIPSET
Intel Chipset Installation Utility for ICH9m for Microsoft Windows 7
Download
Intel matrix storage manager:
Download (intel site)
Download (mediafire)
AUDIO
Conexant CX20549-12 High Definition Audio Driver
Download
MODEM
Conexant HDAUDIO Soft Data Fax Modem with SmartCP Driver
Download
GRAPHIC
Mobile Intel 965 Express Chipset Family Video/Graphics Driver
Download
ALPS Touchpad Driver
Download
Cyberlink YouCam Software
Download
Lightscribe System Software
Download
HP Wireless Assistant
Download (direct)
Download (HP)
WIRELESS:
==================
If you have Intel Wireless:
Intel Wireless LAN Driver for Microsoft Windows 7
Download
If you have Broadcom Wireless:
Broadcom Wireless LAN Driver for Microsoft Windows 7
Download
If you have Atheros Wireless
Atheros Wireless LAN Driver for Microsoft Windows 7
Download
==================
If you have bluetooth
Software Support for HP Integrated Module with Bluetooth Wireless Technology
Download
ETHERNET
Realtek RTL8139/810x Family Fast Ethernet NIC Driver
Download
or you may download from realtek site:
Download link
CHIPSET
Intel Chipset Installation Utility for ICH9m for Microsoft Windows 7
Download
Intel matrix storage manager:
Download (intel site)
Download (mediafire)
AUDIO
Conexant CX20549-12 High Definition Audio Driver
Download
MODEM
Conexant HDAUDIO Soft Data Fax Modem with SmartCP Driver
Download
GRAPHIC
Mobile Intel 965 Express Chipset Family Video/Graphics Driver
Download
ALPS Touchpad Driver
Download
Cyberlink YouCam Software
Download
Lightscribe System Software
Download
HP Wireless Assistant
Download (direct)
Download (HP)
WIRELESS:
==================
If you have Intel Wireless:
Intel Wireless LAN Driver for Microsoft Windows 7
Download
If you have Broadcom Wireless:
Broadcom Wireless LAN Driver for Microsoft Windows 7
Download
If you have Atheros Wireless
Atheros Wireless LAN Driver for Microsoft Windows 7
Download
==================
If you have bluetooth
Software Support for HP Integrated Module with Bluetooth Wireless Technology
Download
ETHERNET
Realtek RTL8139/810x Family Fast Ethernet NIC Driver
Download
or you may download from realtek site:
Download link