Compaq Presario CQ40-531TX Windows XP Drivers

dotNet framework 2.0 :
Download

Chipset Driver :
Intel Chipset
Download - Mirror (Direct)
Download - Mirror (Intel)
Download - Mirror (Mediafire)

Audio Driver :
MS UAA - Reboot before Installing IDT
Download - RecommendedDownload - Alternative 1
Download - Alternative 2 (XP SP3) 

IDT High-Definition Audio CODEC Driver
Download - Recommended
      or

Download - Alternative 1

     or

Download - Alternative 2
 

In case your Laptop Sound Dissappear after restart : 

1) Fix Compaq Laptop No Sound After Restart 1 - If doesn't solve, try solution 2.

2) Fix Compaq Laptop No Sound After Restart 2

Use only the IDT and driver given here.

Modem Driver :

High Definition Audio Modem
Download
 

VGA Driver : 

Nvidia Graphic
Nvidia GeForce G105M/103M
Download
 

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

Wireless Driver : 

Please Download and Install Windows Installer 3.0 before installing the wireless driver.

Intel 

Download

Broadcom

Download


HP Wireless Assistant :
Download

Card Reader Driver :
JMB38X Card Reader Host Controller
Download

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

Touchpad Driver :
Download

Lightscribe System Software :
Download

Cyberlink YouCam 2.0 Software :
Download

HP Quicklaunch Button :
Download