Compaq Presario CQ40-530TU Notebook PC Windows XP Drivers

First Install:
Net framework 2.0
Download

(please install this before other drivers)
INTEL Chipset.
INF Update Utility - Primarily for Intel® 5, 4, 3, 900 Series Chipsets
Download (direct link)
Download (intel website)
Download(mediafire)

Restart after installation Finish.

AUDIO
MS UAA (required with a reboot before Audio IDT)
Download


or try this MS-UAA:
MS UAA (alternative to sp33867), here
MS UAA for XP SP3, here


IDT High-Definition Audio CODEC Driver
Download

or try this driver reported work in xp
sp41693, here
sp39671, here

If your ssound disappear after restart follow this Guide:
note: Do not use MS-UAA and IDT there, follow all the instruction.

High Definition Audio Modem
Download


GRAPHICS:
There are two Graphic Drivers available, recomended by default is INTEL GRAPHIC:

Mobile Intel 45 Express Chipset Family Graphics Driver
Intel graphic accelerator 4500MHD
Download

In case you have Nvidia Graphic
Nvidia GeForce G 105M/103M
Download


WIRELESS:
Intel: Download
(requires windows installer 3.0 installed first)

In case you have broadcom wireless:
Broadcom: Download


HP Wireless Assitant:
Download

CARD READER
JMB38X Card Reader Host Controller
Download

ETHERNET:
Realtek RTL8102E Family PCI-E Fast Ethernet NIC
Download

TOUCHPAD
Download

Lightscribe system software
Download

Cyberlink YouCam 2.0 Software,
here

HP Quick Launch Buttons
Download

If you have Bluetooth:
HP Integrated Module with Bluetooth Wireless Technology
Download