Compaq presario cq40-337tu Windows XP driver

(First install this and reboot) Intel Matrix Storage Manager
here 
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)

Broadcom Wirelesshere 

.Net Framework(required before Q.L.)
here

HP Quick Launch Buttonshere



AUDIO
MS UAA (required with a reboot before Audio and video (HDMI) drivers)
here:
SP33867
Download

restart and install

High-Definition Audio (HDA) Modem Installer and Driver (confirm MS-UAA before installing)
here:
Download
Download (mediafire) 

and then install

IDT High-Definition Audio CODEC Driver
SP39671
Download (ftp)
Download (hp)
Download (mediafire)
Download (ziddu)

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

LSI High-Definition Audio (HDA) Modem
here

ALPS Touchpad
here 

Realtek 8102E LAN
here 

JMB38X Card Reader Host Controller Driver
here 

Cyberlink YouCam Software
here 

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

Do manual installation Go to device manager, right click unknown device,Choose to update driver, No to connect,Choose install from a list or specific location, Don't search, Have disk,Browse to the location of machine.inf.Do it for the rest of unknown devices