Compaq CQ40-401AU XP Drivers

Due to high Volume of comments i had updated this post and if there are problems leave your comments. The difficult thing is Audio, so you need to do some homework to test which work for you. The Good news there are 3 Audio Drivers that reported work. The bad news you must test which work for you and report which work for you(so it can help others).

Install .Net Framework before others:
Download

ATI Radeon HD 3200 Graphics/Video Driver
Download (catalyst version 9.10) - (strongly recommended)
or
( if the driver above didn't work try this)
Download

======================================
AUDIO:
MS UAA (required with a reboot before Audio driver)
Download
or KB888111 (alternative for sp33867)
(for windows XP SP3 users read the additional notes at the end of the post)

after restart install this IDT
There are 3 recomendations for audio which reported worked by user. Try the first three drivers first and check whic work.

IDT High-Definition Audio CODEC Driver
Download ( SP41479.exe) - reported work
Download( reported worked)
Download (sp39545.exe) -reported work)
Download
Download
(you might run manual installation by update using device manager)

High-Definition Audio (HDA) Modem Installer and Driver
Download (recomended)
Download
or try this:
ftp://ftp.hp.com/pub/softpaq/sp36001-36500/sp36004.exe

Windows Installer 3.1(required before wireless)
here:
Download

If you have Intel PRO/Wireless Drivers
here:
Download

if you have Broadcom Wireless
here:
Download or
Download

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

CARD READER
JMB38X Card Reader Host Controller
Download

ENE-CIR Reciever:
Download

for HDMI Audio
Download

ALPS Touchpad Driver
Download

or try this new driver (not sure it will work)
Download

HP Quick Launch Buttons
Download

If you have Bluetooth,
The HP Integrated Module is your Bluetooth Wireless
here:
Download

If you had for 7 unknown devices (buttons drivers)here:
Download (direct link)
Download (mediafire)

Installation --> right click machine.inf, choose install.
or try automatic update by open device manager, Unknown devices --> right click --> update driver --> next --> next

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Additional Sound Installation
==========================
For windows XP SP3 try the Sound drivers given above, if it didn't work install this patch:
KB835221 restart and then install IDT given above.

manual Installation For audio:
(applied to sp2 and sp3)
This is force method if you fail to install any audio i recommended above:
Unzip to a folder..use Device Manager,right click "Audio Device on HD",choose Update driver,
No to connect, Install from a list or specific location,
Select Don't Search, I will choose the driver to install,
For the Hardware Type select 'Show All Devices'
Remove the check from "Show Compatible Hardware" and click on "Have Disk".
Next...browse to the unzipped folder and choose the "WiSVHe5.inf".
Ignore XP when it complains, Reboot.

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Additional Notes For Modem Installation
==================================

HD SmartCP 56k Modem; link and manually install guide (after installed audio)

1.Right click on "Modem device on High Definition Audio Bus" and click Update driver.

2. Select "Install from a list or specific location"

3. Click Next. Then select "Don't search, I will choose the driver to install"

4. Click Next and then select "Modem" from the list.

5. Click Next and then click Have Disk.

6. Click Browse C:\swsetup\sp33890 folder and select the .inf (wis30b2b) file and click open

and Ignore if complaints