Compaq Presario CQ40-133ax Windows XP Driver (AMD)

dotNetframework 2.0(essential) :
Download

VGA Driver :
ATI 

ATI Radeon HD3450
Download
ATI

ATI Radeon HD 3200
Download

MS UAA (SP33867) - Install - Reboot
Download

MS UAA (SP39671)- Install - Reboot

Download

Audio Driver :  

IDT High-Definition Audio

Download - Alternative Links 
Download - Mediafire
     or

Download - SP40220 (New Driver)

Modem Driver :
High-Definition Audio (HDA) Modem Installer and Driver
Download - Mediafire
Download - CNET
Download - SP39545
 

Wireless Driver : 

Windows Installer 3.1 - Install this before Wireless DriverDownload 

Intel PRO
Download
 

Broadcom
Download  - CNET
Download  - HP site
Download  - SP39243

LAN / Ethernet Driver :
Realtek RTL8102E Family PCI-E Fast Ethernet NIC
Download

Card Reader Driver :
JMB38X Card Reader Host Controller Driver
Download

ENE CIR Receiver - Vista :
Download - SP41645
 

HDMI Audio Driver :
Download

Touchpad Driver : 

ALPS

ALPS Touchpad Driver
Download 

     or 

Download - NEW (If not work please post)

HP Quick Launch Buttons :
Download
 

Bluetooth (If available) :
Download
 

7 Unknown Devices (Buttons Drivers) :
Download - Right click Machine.INF > Install