Compaq Presario CQ71 Windows XP Driver

Chipset
Intel Chipset Installation Utility for ICH9
Version:9.1.1.1019 A, 2.32M
Download


Graphic
Mobile Intel 4 Series Express Chipset Family Graphics Driver
Version 1.00 REV A
Download 

LAN/Ethernet
Realtek RTL8102E/8103E Family PCI-E Fast Ethernet NIC (NDIS 6.0) Driver
Version 1.00A, 4.8MB
Download

Touchpad
Synaptics TouchPad Driver for Microsoft Windows XP 
Version:15.0.18.0 A, 38.9M
Download

Card Reader
Realtek USB 2.0 Card Reader Driver 
Version:6.1.7600.30105 A, 7.47M
Download

Button:
HP Quick-launch Button
Version 6.40B 19MB
Download

Webcam
Cyberlink Youcam
4.0.2321 Rev. A, 52MB
Download

Wireless (choose 1)

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Atheros 2011 Wireless LAN Driver
Version:9.20, 81.94M
Download

Ralink 802.11 b/g/n WiFi Adapter
Version:3.1.13.1, 10.9M
Download

Intel PRO/Wireless Drivers 
Version:13.4, 151.8M
Download

Broadcom Wireless LAN Drivers 
Version:5.60.350.6, 10.28M 
Download 

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Audio
Install Microsoft UAA and reboot, after that install audio driver, do not skip this step.

Microsoft UAA (Universal Audio Architecture)
Version KB888111(XP, SP2)/KB835221(SP3)
Windows XP SP2: Download
Windows XP SP3: Download

Then restart, and install AUDIO Drivers:

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

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First install your audio.
Installing the Audio normally resulting in error, ignore it and proceed by manually install the drivers, read the guide here;
Manually install Audio Drivers.