Compaq Presario CQ40-401TU Windows XP Drivers

First Install  Netframework: (require for Quick Launch Installation).

Net framework 2.0
Download


DRIVERS (18)

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Chipset
Intel Chipset Installation Utility
Version 9.1.1.1015 A 2.2MB (xp, vista, 7)
Download

Storage
Intel Matrix Storage Manager Driver
Version:8.9.2.1002 A, 18.17M
Download 

Graphic/VGA
Mobile Intel 4 Series Express Chipset Family Graphics Driver
Version 1.00 REV A 19.28MB
Download

Nvidia GeForce G 105M/G 103M For windows XP
Version 2.66.58WHQL  118MB
Download

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Audio Drivers:
Since there are no best single driver available, you have to follow this step carefully.

1. Install MS-UAA first:
Windows XP, XP SP2: Download  (KB888111)
Windows XP SP3: Download  (KB835221)

Restart and then install audio drivers below.

2. Install the Audio:
IDT High Definition Audio Codec
(2 drivers, if the first one didn't work, use 2nd drivers)
Download (SP41693)
Download(SP39671)

 If 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.

Wireless:
(3 drivers, choose 1 base on your specification)

Broadcom 4313 a/b/g/n wireless Drivers
Version5.10.91.8 10MB
Download

Intel PRO/Wireless Drivers:
(requires windows installer 3.0 installed first)
Version 5.20 4MB
Download

Atheros Wireless LAN Driver:
Version 2.00B 20.64MB
Download

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Bluetooth:
HP Integrated Module with  Bluetooth Wireless Technology
Version 5.1E  94.68M
Download

Modem
High-Definition Audio (HDA)  Modem Installer and Driver
Version 1.00 A 12.71MB
Download

Lan/Ethernet
Realtek RTL8102E Family  PCI-E Fast Ethernet NIC
Verison 1.00A 4.8MB
Download
updates available here 

Card Reader
JMB38X Card Reader Host Controller
Version 1.00A 3.49MB
Download

Touchpad:
Synaptics Touchpad Driver
Version:9.1.11 Q, 16.93M
Download

Button:
(Install netframework 2.0 first)

HP Quick-launch Button
Version 6.40B 19MB
Download

Camera
Cyberlink youcam software 2.0 + Driver
Version 2.0.2519 46MB
Download

Others
Lightscribe  system software
Version 1.18.1.1 A 8.4MB
Download


AUDIO DISAPPEAR AFTER RESTART - COMPAQ

1. Download devcon utilities. link below
http://support.microsoft.com/kb/311272
(link updated on Friday 29 June 2012)

2. Open a notepad and paste the following line,and name the notepad as audiopatch.bat, save the file at c:\patch\ with the name audiopatch.bat. (if the directory c:\patch don't exist create one. The Hardware ID may differ (i never study about the differences between ID) this is commonly what i found. Paste the code


DEVCON.EXE RESTART “PCI\VEN_8086&DEV_293E&SUBSYS_3607103C&REV_03″


To manually check your hardware ID follow this Guide:

a) Open device manager by click start, select run and type: DEVMGMT.MSC

b) Right click at your audio drivers and select properties like the picture below.

c)then select details.

d) Select Hardware ID by expanding the Device description Drop down menu.

e)Then here you found your hardware ID which circle in red as shown in pic below. (The ID below is for my Desktop, REALTEK Audio so it difference with your ID). right click on it san select copy then paste it as note

3. Then extract file devcon.exe, copy \i386\devcon.exe to the c:\patch\ (in the folder where you save the audiopatch.bat).

4.Now, there are two options here, the simple steps is to right click on the audio patch, send to, desktop, whenever you start your computer double click on it, the sound should work. If you want it to automatically start every time you turn on your laptop. Continue read the tutorial below, the advantage is you don't have to double click every time you start your notebook.



MODIFY THE REGISTRY

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1. click start select run and type regedit.


2. find this value:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

expand it by click the + icon

3. click on the run, on the right panel click anywhere and select new - string value( anew string value will appear normally with name new value#1.)


4. right click on the new string you create and rename as audiopatch.
5.double click on it and on the value data write c:\patch\audiopatch.bat

DONE.