Compaq Presario CQ40-419TX windows XP Drivers

For me this model is a difficult model to downgrade for XP, the readon i sfor the audio driver, anyway here is the driver i listed base on my knowledge, after download and install inform the progress.

HP Quicklaunch button
Download (sp43616)

AUDIO:
install ms-uaa fisrt before IDT high definiton audio codec
MS-UAA ,
Download MS-UAA

Restart after ms-uaa installation

Then High definition Audio CODEC
ftp://ftp.hp.com/pub/softpaq/sp41501-42000/sp41693.exe
or
1. sp41693, vista driver, reported work in XP here
or
2. sp39671, vista driver, reported works in XP here or here
or
3. http://tinyurl.com/m6334j

If you cant install directly, use force method, open device manager and update suond driver(yellow mark on it) select update driver, not to automatically, select ill choose driver to install, browse the c:\swsetup\SP41693 or SP39671), select the "inf" file and force to install

Graphic:
NVIDIA GeForce G103M Graphics Driver (186.81 WHQL XP 32-bit)
Download
(note: if you have difficultis to download or instal you can visit nvdia official site and select automatically search driver)

LSI High-Definition Audio (HDA) Modem
Download
if modem above didn't work try:
Download

Broadcom Wireless
Download (SP39912)

HP wireless Assistant
Download (sp42773)

Realtek RTL8168C Family PCI-E Fast Ethernet NIC,
Download

If you have bluetooth:
Dowload

HP update
Download

Cyberlink YouCam Software
Download

If you had for 7 unknown devices (buttons drivers) here

Do manual installation

Go to device manager, right click unknown device,

Choose to update driver, No to connect,

Choose install from a list or specific location, Don't search, Have disk,

Browse to the location of machine.inf.

Do it for the rest of unknown devices