Compaq Presario C770TU Windows 7 Driver

Chipset
Intel Chipset Installation Utility for ICH9m for Microsoft Windows 7
Download

Storage:
Intel Matrix Storage Manager
Version:8.9.0.1023
Download

Audio
Conexant CX20549-12 High Definition Audio Driver
Download
If this driver didn't work, we need to do manual installation.

Modem
Conexant HDAUDIO Soft Data Fax Modem with SmartCP Driver
Download

Graphic
Mobile Intel 965 Express Chipset Family Video/Graphics Driver
Download

Touchpad
ALPS Touchpad Driver
Download

Webcam
Cyberlink YouCam Software
Download

Utilities
Lightscribe System Software
Download

Network Utilities
HP Wireless Assistant
Download

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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

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Bluetooth
Software Support for HP Integrated Module with Bluetooth Wireless Technology
Download

LAN/Ethernet
Realtek RTL8139/810x Family Fast Ethernet NIC
Download