Compaq Presario c772TU windows 7 driver

This is the suggestion driver base on your model, please install the driver u need only, example your audio is working so  no need to install the audio drivers.

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

STORAGE
Intel matrix storage manager:
Download

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)

WIRELESS:
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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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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 link