Compaq Presario CQ40-324TU Windows XP Driver

Intel Chipset,(install and reboot before other drivers):
INF Update Utility - Primarily for Intel® 4, 3, 900 Series Chipsets
http://tinyurl.com/crxavq

MS UAA (required with a reboot before Audio an video (HDMI) drivers)
here:
SP33867
ftp://ftp.hp.com/pub/softpaq/sp33501-34000/sp33867.exe

Important note:
After reboot, please confirm the installation by checking in Device Manager under System Devices to see if MS UAA installed properly.

There should be a listing for Microsoft UAA Bus Driver for High Definition Audio.

If not, you should have a PCI with yellow!.
Right click it and Update Driver,
No to Connect, No to Search and last Install Automatically.

Mobile Intel 45 Express Chipset Family Graphics driver, (confirm MS-UAA before installing) here:
http://tinyurl.com/dbcoqk

IDT High-Definition Audio CODEC Driver
(confirm MS-UAA before installing)
here:
ftp://ftp.hp.com/pub/softpaq/sp39501-40000/SP39671.exe

High-Definition Audio (HDA) Modem Installer and Driver (confirm MS-UAA before installing)
here:
http://www.mediafire.com/?yzj1yr3ldna

Broadcom Wireless
here:
ftp://ftp.hp.com/pub/softpaq/sp39501-40000/sp39912.exe

Realtek RTL8101E Family PCI-E Fast Ethernet NIC Driver
http://tinyurl.com/4ssd97

ALPS Touchpad Driver
ftp://ftp.hp.com/pub/softpaq/sp31001-31500/sp31075.exe

.Net Framework(before Quick Launch):
http://tinyurl.com/758p8

HP Quick Launch Buttons
ftp://ftp.hp.com/pub/softpaq/sp40001-40500/sp40139.exe

JMB38X Card Reader Host Controller Driver
ftp://ftp.hp.com/pub/softpaq/sp40001-40500/sp40221.exe

ENE CIR Receiver (vista version)
ftp://ftp.hp.com/pub/softpaq/sp41001-41500/sp41459.exe

Bluetooth driver
here:
ftp://ftp.hp.com/pub/softpaq/sp38501-39000/sp38983.exe

If you had for 7 unknown devices (buttons drivers)here:
http://www.mediafire.com/download.php?zzij2w5wyjz

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