Hp-Compaq has a mid-range model of laptop - Presario C722TU. This is a good model of its kind with an Intel® Pentium® Dual Core Processor(1.6GHz), 2GB RAM,160 GB Hard Disk, Super Multi DVD Writer, 15.4" Widescreen display,  WiFi, Modem, 1 year Warranty and more. The drivers for the same for Windows XP are given
 
Here are the list of drivers for Presario C722TU laptop with an Intel Processor.

Chipset Driver:
http://downloadmirror.intel.com/13799/eng/ChipUtil.exe

Video Driver:
http://downloadmirror.intel.com/14388/a08/win2k_xp14311.exe

Realtek RTL8100CL/RTL8110Sb NIC Driver:
ftp://ftp.hp.com/pub/softpaq/sp30001-30500/sp30156.exe

Intel Pro Wireless Driver:
ftp://ftp.hp.com/pub/softpaq/sp33001-33500/sp33404.exe
Or
ftp://ftp.hp.com/pub/softpaq/sp32001-32500/sp32156.exe

Synaptics Touchpad Driver:
ftp://ftp.hp.com/pub/softpaq/sp35001-35500/sp35444.exe
or
ftp://ftp.hp.com/pub/softpaq/sp32501-33000/sp32647.exe

HP Help and Support Driver for Microsoft Windows XP:
ftp://ftp.hp.com/pub/softpaq/sp36501-37000/sp36545.exe

This model of Presario 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.compaq.com/pub/softpaq/sp32501-33000/sp32646.exe

Conexant CX20549-12 High Definition Audio Driver:
ftp://ftp.hp.com/pub/softpaq/sp36001-36500/sp36090.exe

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\sp36090 folder and the double click the V32 folder. Select the .inf file, click open and Continue with the onscreen instructions.

Similarly install Modem Driver:
Conexant CX20548 Modem Driver for Microsoft Windows XP
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.

Installation Instructions :

1. Download the .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: 0471-2449495
Mobile: )-9446-06-9446
Email: info@zyxware.com
Website: www.zyxware.com