Compaq Presario CQ40-512TU XP Driver

Install Netframework before others. Install according to order:
Net framework 2.0
Download

INTEL CHIPSET:
INF Update Utility - Primarily for Intel® 5, 4, 3, 900 Series Chipsets
Download (direct link)
Download (intel website)
Download(mediafire)


AUDIO:
Install MS-UAA first:
both ms-uaa sp33867 and kb888111 are similar files.
Windows XP SP2: Download (SP33867.exe)

Windows XP SP3: Download (KB835221)

Then restart, and install AUDIO Drivers:

IDT - High Definition Audio Codecs (SP39671)
SP41616 Download(ftp)
                Download (mediaifre)
===========================
or try this drivers reported work in xp
SP41500
Download (ftp)
Download (mediaifre)

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Installing this driver result in an error. Continue with this step;
=============================================

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\sp41616\WDM folder and select the .inf file and click open and Continue, ignore if complaints "not digitally signed"

=============================================
If you have problem to understand how to manually install audio drivers refer here:Manually install audio drivers
 ---------end audio---




MODEM:


LSI High-Definition Audio (HDA) Modem Installer and Driver

Download

Installing this driver also will result in error but continue by follow this step:
==========================================

1.Right click on "Modem device on High Definition Audio Bus" and click Update driver.

2. Select "Install from a list or specific location"

3. Click Next. Then select "Don't search, I will choose the driver to install"

4. Click Next and then select "Modem" from the list.

5. Click Next and then click Have Disk.

6. Click Browse C:\swsetup\sp33890 folder and select the .inf (wis30b2b) file and click open

and Ignore if complaints.

VGA/GRAPHIC

If you have intel Graphic:
Mobile Intel 45 Express Chipset Family Graphics Driver
Intel graphic accelerator 4500MHD
Download

If you have Nvdia Graphic:
NVIDIA GeForce G 103M/ G 105M Graphics Driver (186.81 WHQL XP 32-bit)
Download
if installing the driver above 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 & reboot.

WIRELESS:
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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

Intel: Download
(requires windows installer 3.0 installed first)

Atheros: Download (direct)
or here (atheros site)
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HP Integrated Module with Bluetooth Wireless Technology
Download

HP Wireless Assitant:
Download

ETHERNET:
Realtek RTL8102E Family PCI-E Fast Ethernet NIC
Download

CARD READER
JMB38X Card Reader Host Controller
Download

WEBCAM
Cyberlink youcam software 2.0
Download

LIGHTSCRIBE:
Lightscribe system software
Download

HP Quick Launch Buttons
Download