Compaq Presario CQ40-313TU Windows XP Driver

NOTE: Install according to order given

First Install  Netframework: (require for Quick Launch Installation).
Net framework 2.0
Download

Compaq  Presario CQ40-641TU BUTTON Driver
HP  Quick Launch Buttons
Download

INTEL CHIPSET:
Compaq  Presario CQ40-641TUCHIPSET Driver (xp, vista, 7)
INF Update  Utility - Primarily for Intel® 5, 4, 3, 900 Series Chipsets
Download(mediafire)

STORAGE
Intel matrix storage manager:
Download  (intel site)
Download  (mediafire)

GRAPHIC
Compaq Presario CQ40-641TU Graphic XP Driver
if you have intel graphic:
Mobile Intel  45 Express Chipset Family Graphics Driver
Intel graphic  accelerator 4500MHD
Download

If  you have Nvidia graphic:
NVIDIA GeForce G 103M/ G 105M Graphics  Driver (186.81 WHQL XP 32-bit)
Download

FOR NVDIA: if  resulting in error use modded driver below:
Download
3-step  process to install:
1. Download driver, double click and select  extract,
2. Download modded INF and replace original INF in  extracted folder,
3. Install and  reboot.

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AUDIO:
Compaq  Presario CQ40-641TU Windows XP Driver
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Install MS-UAA first:
Windows XP SP2: Download   (SP33867.exe)
Windows XP SP3: Download  (KB835221)

Then restart, and install AUDIO Drivers:

IDT  - High Definition Audio Codecs (SP39671)
Download  (ftp)
Download  (mediafire)
===========================
or try this drivers reported work in xp
SP41500 Download  (ftp)

SP41616  Download(ftp)
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First install your audio.
Installing the Audio normally resulting in error, ignore it and proceed  by manually install the drivers:

Download and install the driver, you will get the error while  installing.
Perform the below steps to fix the issue.
1. Click on Start and select Run. Now type devmgmt.msc and press enter.
2. Right click on "Audio device on High Definition Audio Bus" and click  Update driver.
3. Select "Install from a list or specific location".
4. Click Next. Then select "Don't search, I will choose the driver to  install".
5. Click Next and then select "Sound, video and game controller" from  the list.
6. Click Next and then click Have Disk.
7. Click Browse C:\swsetup\sp39671 folder and select the .inf   file and click open and Continue with the onscreen instructions.

Fo instruction with pictures read here:
Manually  install Audio Drivers.

MODEM
High-Definition Audio (HDA)  Modem Installer and Driver
Download

WIRELESS:
Compaq  Presario CQ40-641TU Wireless XP Driver
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Choose  one of the wireless driver base on your specs, if you dont know, just  try each driver (there are no risk and will not harm your system)
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Broadcom:  Download

if  error try newer version -
Broadcom BCM9431HMG
Broadcom: Download

Intel:  Download
(requires  windows installer 3.0 installed first)
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BLUETOOTH:
Compaq  Presario CQ40-641TU XP Bluetooth Driver
HP Integrated Module with  Bluetooth Wireless Technology
Download

WIRELESS  SOFTWARE
HP Wireless Assitant:
Download

ETHERNET:
Compaq  Presario CQ40-641TU LAN/Ethernet Driver
Realtek RTL8102E Family  PCI-E Fast Ethernet NIC
  Download(direct)  or Download

CARD  READER
Compaq Presario CQ40-641TUCard Reader Driver
JMB38X  Card Reader Host Controller
Download

TOUCHPAD
Compaq  Presario CQ40-641TU Touchpad Driver
ALPS Touchpad
Download

Synaptics  Touchpad
Download
Download

WEBCAM
Compaq  Presario CQ40-641TU XP Webcam Driver
Cyberlink youcam software  2.0
Download

LIGHTSCRIBE:
Lightscribe  system software
Download

If  you have 7 unknown device:
Unknown devices:
Download

Unzip  files, open folder and right click at machine.inf, select install.