Compaq Presario CQ40 -145tu Windows Xp Drivers

netframework 2.0 before others
Download

INTEL Chipset.
INF Update Utility - Primarily for Intel® 5, 4, 3, 900 Series Chipsets
Download

AUDIO:
MS-UAA: Download

restart after install MS-UAA and install

Conexant High Definition Audio
Download (sp41693)
or try
sp39671
Downlod (direct)
Download (mediafire)

VGA/GRAPHIC
( Intel 4500MHD)
Download

Ethernet Driver
Realtek RTL8102E/8111C Family PCI-E Gigabit Ethernet NIC Driver
Download

WIRELESS
Intel(R) PRO/Wireless 5100
Intel® PROSet/Wireless WiFi Connection Utility for Windows XP* 32-Bit
Download (recomendedwindows installer 3.1 installed first)

Wireless driver for broadcom
Download

MODEM
Modem Device on High Definition Audio Bus
Download

CARD READER
SD/MMC/xD Card Reader
Download

TOUCHPAD
Download (direct)
0r
Download

Quicklaunch
Download