Compaq Presario CQ40-609TX VISTA Drivers

CHIPSET DRIVERS:
INF Update Utility - Primarily for Intel® 5, 4, 3, 900 Series Chipsets
Download (direct link)

Intel matrix storage manager:
Download (intel site)
Download (mediafire)

ICH9 sata driver,
Download  (microsoft)
Download (mediafire)

IDT - High Definition Audio Codecs
Download (sp45211)
If it didn't work use below:
Download (SP41616)
Download (SP41500)

GRAPHIC/VGA:
if you have Nvidia graphic
Nvidia GeForce G 105M/103M Graphics Driver
Download

If you have Intel Graphic:
Mobile Intel 4 Series Express Chipset Family Graphics Driver (32-bit)
Download
32-bit
Download (64-bit)  

WIRELESS:
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If you have Intel Wireless:
Intel Wireless LAN Driver for Microsoft Windows Vista
Download

If you have Broadcom Wireless:
Broadcom Wireless LAN Driver for Microsoft Windows Vista
Download

If you have Atheros Wireless
Atheros Wireless LAN Driver for Microsoft Windows Vista 
Download
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Software Support for HP Integrated Module with Bluetooth Wireless Technology
Download

HP Wireless Assistant
Download

ETHERNET:
Realtek RTL8102E/8111C Family PCI-E Gigabit Ethernet NIC Driver
Download
or
Realtek RTL8102E/8103E Family NIC Driver
Download 

JMB38X Card Reader Host Controller Driver
Download
 
» HP QuickPlay Web Update
Download

» Cyberlink YouCam Software
Download

» Lightscribe System Software
Download

HP Quick Launch Buttons
Download