Compaq Presario CQ40-423TU WIndows XP Drivers

First Install:
Net framework 2.0
Download

(please install this before other drivers)
INTEL Chipset.
Compaq Presario CQ40-423TU
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
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or try this MS-UAA:
MS UAA (alternative to sp33867), here
MS UAA for XP SP3, here
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IDT High-Definition Audio CODEC Driver
sp39671, here
or SP41500 reported work below
Download

Instructions:

If installing the audio resulting in ERROR:

1. double click the audio driver files (sp39671)..
2. It will create a c:\swsetup\sp39671 folder
3. Open Device Manager,right click "Audio Device on HD",choose Update driver,
4. No to connect, Install from a list or specific location,
5. Select Don't Search, I will choose the driver to install,
6. For the Hardware Type select 'Show All Devices'
7. Remove the check from "Show Compatible Hardware" and click on "Have Disk".
8. Next...browse to thec:\swsetup\sp39671 folder and look for the inf file.
9. Ignore XP when it complains, Reboot.

if you need instructions with pictures follow GUIDE only(do not use the driver there) here:
General Audio Installation


High Definition Audio Modem
Dowload (your vista modem, if direct install failde, use manual installation similar to audio)
or
Download


GRAPHICS:
There are two Graphic Drivers available, recomended by default is INTEL GRAPHIC:
Compaq Presario CQ40-423TU
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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
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WIRELESS:
Intel: Download
(requires windows installer 3.0 installed first)
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In case you have broadcom wireless:
Broadcom: Download
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HP Wireless Assitant:
Compaq Presario CQ40-423TU
Download

CARD READER
Compaq Presario CQ40-423TU

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