Compaq Presario CQ40-518AU Drivers For Windows Xp

Download and Install Netframework 2.0 before others.

Net framework 2.0
Download

AUDIO:
=====================
First install MS-UAA:
Download

restart and Install IDT

IDT High Definition Audio Codec.

Download
if the above didnt work use this IDT:
Download


Instruction:

If the IDT failed to install, use this method:

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\sp41500 folder and select the .inf file and click open and Continue with the onscreen instructions.

or repeat the step 7 with the first driver downloaded fro mediaifre.

ATI HDMI AUDIO
Download
===================================================
MODEM:
Download

GRAPHICS:
ATI HD3200
Download

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

WIRELESS:
Braodcom Wireless:
Download

CARD READER
JMB38X Card Reader Host Controller
Download

TOUCHPAD
Download

If you have
Unknown devices:
Download
(right clcik on the inf file in the folde select install)

if there are still missing driver (sms bus)
AMD
(netframework installed first)
South Bridge:
Download