Compaq Presario CQ40-627TU Windows XP Drivers

First Install:
Net framework 2.0
Download
(please install this before other drivers)

INTEL Chipset.
filename: infinst_autol.exe
INF Update Utility - Primarily for Intel® 5, 4, 3, 900 Series Chipsets
Download (direct link)
Download (intel website)
Download(mediafire)

GRAPHICS:
if you have Nvidia Graphic
Nvidia GeForce G 105M/103M
Download

If you have Intel Graphic:
(this one is tricky because i didn't get the exact intel graphic model so if you have the model plz inform me, thanks)
here is the suggestion:
Mobile Intel 45 Express Chipset Family Graphics Driver
Intel graphic accelerator 4500MHD
Download

AUDIO:
MS UAA (required with a reboot before Audio driver)
Download

IDT High-Definition Audio CODEC Driver
Download

High Definition Audio Modem
Download

WIRELESS:
Intel: Download
(requires windows installer 3.0 installed first)
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In case you have other wireless model:
Broadcom: Download

Atheros: Download (direct)
or here (atheros site)
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CARD READER
JMB38X Card Reader Host Controller
Download

Ethernet:
choose one of the driver below:
ETHERNET:
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