Compaq Presario CQ40-101TU Windows 7 Drivers

CHIPSET DRIVERS:
INF Update Utility - Primarily for Intel® 5,  4, 3, 900 Series Chipsets
Download 

GRAPHIC/VGA: 
if you have Nvidia Graphic:
Nvidia GeForce G 105M/103M  Graphics Driver
Download 

If  you have Intel Graphic:
Mobile Intel 4 Series Express Chipset  Family Graphics Driver
Download

AUDIO
IDT  - High Definition Audio Codecs
Download   SP45211
miror (mediafire)

WIRELESS:
Note:  normally wireless  automatically installed so install wireless  driver  if only there are no  wireless driver installed. There are two  ways to  check one is in your  taskbar a small wireless icon appear near  to  volume and clock, the  other one is by check at the device manager   under the networks  controllers section.
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If you have Intel  Wireless:
Intel Wireless LAN Driver for Microsoft Windows 7
Download

If  you have Broadcom Wireless:
Broadcom Wireless LAN Driver for  Microsoft Windows 7
Download
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Software  Support for HP Integrated Module with Bluetooth Wireless  Technology
Download

HP  Wireless Assistant
Download  

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

POINTING DEVICES
ALPS  Pointing Device Driver (2-Way) for 14-Inch Wide LCD
Download

CARD READER
JMB38X  MS SD SD/MMC xD Card Reader Driver
Download

HP  Quicklaunch Button
Download  

INFRARED
ENE CIR Receiver Driver
Download

WEBCAM
Cyberlink  YouCam Software
Download

TOUCHPAD
Synaptic Touchpad Driver
Download

Optional  Downloads:

HP ProtectSmart Hard Drive Protection
Download

HP  DVD Play Software
Download

HP  Advisor
Download

Lightscribe  System Software
Download

Recovery  Manager Installer Patch for Microsoft Windows 7 Upgrade
Download

HP  Support Assistant
Download