Compaq Presario CQ40-154TU laptop is a competent product from the house of HP Compaq. It is powered by  Intel Core 2 Duo Processor and 1GB DDR2 RAM. It has a 320GB SATA Hard Disk.  It has a 14.1" WXGA super fine LCD, 1.3 MP CAM, bluetooth and so on.  It comes pre installed with Free DOS. HP Compaq has stopped supporting Windows XP. Drivers for Vista are available within the Compaq site itself. But if you need drivers for Windows XP, you wont be able to find it probably. If you have trouble findingthe drivers for Windows XP, we have solved it for you. Take a look.

Kindly check the link to know more about Issues regarding downgrading to or installing Windows XP in HP-Compaq systems

Neither Zyxware Technologies, nor HP-Compaq can give you a guarantee that these drivers will work perfectly in your system. How ever, you may try installing these.

You can either click or copy the given link and paste them onto a new driver to download them.

Chipset drivers:

http://downloadmirror.intel.com/16023/a08/infinst_autol.exe

NOTE:  The URL above will take you to a non HP Web site.  HP does not control and is not responsible for information outside of the HP Web site.

Mobile Intel 4 Series Express Chipset Family Graphics Driver for XP.

http://downloadmirror.intel.com/17353/a08/win2k_xp14371.exe

NOTE:  The URL above will take you to a non HP Web site.  HP does not control and is not responsible for information outside of the HP Web site.

Your model of Notebook has an audio controller that supports the high definition audio. You
need to have Microsoft Universal Audio Architecture (UAA) Bus Driver for High Definition 
Audio installed on the computer before installing the audio driver.
 
Here is the link for the Microsoft Universal Audio Architecture driver that need to be 
installed before installing the audio driver:
 
ftp://ftp.hp.com/pub/softpaq/sp33501-34000/sp33867.exe
 

After installing UAA driver please restart your notebook and install High Definition Audio driver from this link:

ftp://ftp.hp.com/pub/softpaq/sp41501-42000/sp41616.exe
 
This will create a swsetup folder in C drive ("C:\swsetup\sp41616")

Installing this driver may result in an error. But continue with the following steps to get the audio driver installed correctly.

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 with the onscreen instructions.

Similarly install Modem Drivers From this link:
 
ftp://ftp.hp.com/pub/softpaq/sp36001-36500/sp36089.exe
 

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 Continue with the onscreen instructions. 

Intel PRO/Wireless Drivers for Windows XP.

ftp://ftp.hp.com/pub/softpaq/sp34001-34500/sp34489.exe

Realtek RTL8139/810x Family Fast Ethernet NIC Driver

ftp://ftp.hp.com/pub/softpaq/sp31001-31500/sp31401.exe

Alps  touchpad drivers.

ftp://ftp.hp.com/pub/softpaq/sp31001-31500/sp31075.exe

Software and Drivers for HP Integrated Module with Bluetooth Wireless for Windows XP.

ftp://ftp.hp.com/pub/softpaq/sp32001-32500/sp32315.exe

HP Pavilion Webcam Driver for Windows XP.

ftp://ftp.hp.com/pub/softpaq/sp35001-35500/sp35414.exe

 
Here is the link for downloading Quick Launch Button:
 
ftp://ftp.hp.com/pub/softpaq/sp38001-38500/sp38171.exe

 

Installation Instructions :
1. Download the spXXXXX.EXE file to a directory on your hard drive.
2. Execute the downloaded file and follow the on-screen instructions.
3. Restart the notebook when the installation is complete.

Download these files and save them for back up for future use. Incase you have any queries, feel free to contact us with your queries and suggestions.

Our Address:
Zyxware Technologies
3/118, Kesavadasapuram,
Pattom P.O,
Trivandrum - 695004

Phone: 0471-4063818
Mobile: )-9446-06-9446

Email: info@zyxware.com
Website: www.zyxware.com