Compaq Presario CQ40-601TU drivers for Windows XP

If you are not able to install Windows XP on this laptop please see this post on how to install windows xp in CQ40-601TU

To successfully install the drivers in Compaq Presario CQ40-601TU Laptop with Windows XP operating System.

I. Get the following drivers and install in the given order.
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01. Intel Chipset drivers – Intel INF driver (2MB)

02. Intel Matrix Storage Manager – Intel MSM (21 MB)

03. Intel SATA driver – driver for SATA (3.3MB)

04. VGA/Display – video driver (19 MB)

05. Intel LAN Driver  –Ethernet driver (4.5 MB)

06. Audio/Sound –  (see the install instruction below)

07. Modem – sp33839_Modem with SmartCP.exe(6MB)

08. Wireless – Wireless_driver (29.4 MB)

09. Webcam – sp35414_HP 1.3MP Webcam Software Drivers.exe (5MB)

10. Dotnetfx2.0 – dotnetfx_2.0.exe (22MB)

11. Touchpad – Synaptics Touchpad.exe (6MB)

12. Quick launch – Quick launch buttons.exe (14MB)

13. Card Reader – driver for card-reader (3.3 MB)

14. Bluetooth – driver for bluetooth (98 MB)

15.HDMI Audio – HDMI-R203.exe (15 MB)

I. To install Audio driver on CQ40-425TU please follow these steps

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1. download CQ40-601TU audio driver (18 MB)  OR SP39671_IDT High Definition Audio CODEC (19MB)

2. Unzip the file to a folder then install Hotfix – kb888111 first ” \SP39671\HDAQFE\xpsp2\us\kb888111xpsp2.exe “

3. Now install the audio driver ” \SP39671\ setup.exe “

4. Do not reboot. Now you should be able to hear the audio. If not goto ” Device manager>System Devices>Microsoft    UAA Bus Driver… > Right Click – Disable ” then Enable it again and follow steps 2 and 3.

5. After you hear the audio output proceed to next step, don’t reboot.

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6. download “devcon” utility from microsoft.  (78KB)

7. Unzip ‘devcon.exe’ and copy the ‘ I386\DevCon.exe ‘ file to ‘ C:\Windows\system32 ‘

8. Start > RUN > cmd

9. In the prompt type (without quotes) ” devcon find pci* “

10. Scroll up and look for a line before ” Microsoft UAA Bus driver for High Defenision Audio” some thing like this “PCI\VEN_10DE&DEV_055C&SUBSYS_30EA103C&REV_A1\3&2411E6FE&0&38: Microsoft UAA Bus
Driver for High Definition Audio”

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11. Now copy the under lined part from your command prompt by “right clicking on the Title bar>Edit>Mark” and mark the line u need to copy (till the under lined part only) hit “Enter” to copy.

12. In the desktop create a text file called ‘ audio.txt ‘and paste it replacing the underlined characters as shown below with qoutes.

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

14. Save the file and rename it to ” audio.bat ” now copy it to ” C:\Documents and Settings\User\Start Menu\Programs\Startup “

15. Thats all now you will be able to hear audio every time you reboot.