Compaq Presario CQ40-600LA Windows Xp Driver

1.Install Netframework before Others.
Net framework 2.0
Download

2. Install Chipset and Restart
3. For Audio read the Instructions.

This model is quite tricky, i mean there are no exact hardware ID so there are 3 suggestion for Ethernet. try which work for you.

CHIPSET:
INF Update Utility - Primarily for Intel® 5, 4, 3, 900 Series Chipsets
Download (direct link)
Download (intel website)
Download(mediafire)

GRAPHICS:

Here are two graphics drivers available, by default recomended to install Nvidia Graphic.
if you have Nvidia Graphic
Nvidia GeForce G 105M/103M
Download
If you have intel graphic
Mobile Intel 45 Express Chipset Family Graphics Driver
Download

Intel matrix storage manager:
Download (intel site)
Download (mediafire)

AUDIO:

MS UAA (required with a reboot before Audio driver)
WIn XP SP2 Download
Winn xp sp3 Download

restart and inst IDT

IDT High-Definition Audio CODEC Driver
Download (SP41500) - recomended

if the above driver failed with manual installation try this driver reported work in xp
sp41693, here
sp39671, here
or your win 7 drivers: Download

Conexant HD AUDIO Soft Data Fax Modem with SmartPC
Download

WIRELESS:
Intel: Download
(requires windows installer 3.0 installed first)

In case you have other wireless model:
Broadcom: Download

Atheros: Download (direct)
or here (atheros site)


CARD READER
JMB38X Card Reader Host Controller
Download


ETHERNET:
choose one of the driver below:
Realtek RTL8102E Family PCI-E Fast Ethernet NIC
Download

Realtek RTL8101 Family PCI-E Fast Ethernet NIC
Download

Realtek RTL8168C Family PCI-E Fast Ethernet NIC, here
Download
(report back which work)

TOUCHPAD
Download

Lightscribe system software
Download

if you have webcam:
Cyberlink YouCam 2.0 Software,
here