HP Pavilion dv4-1257tx Windows XP Driver

Please Install Netframework before others:

Net framework 2.0
Download

INTEL CHIPSET:
Intel Chipset Installation Utility for ICH9m
Download (intel website)
Download(mediafire)

AUDIO:
Install MS-UAA first:
both ms-uaa sp33867 and kb888111 are similar files.
Windows XP SP2: Download (SP33867.exe)
Download (KB888111)
Windows XP SP3: Download (KB835221)

Then restart, and install AUDIO Drivers:

IDT - High Definition Audio Codecs (SP39671)
Download (ftp)
Download (mediafire)
or
SP41616 Download(ftp)
Download (mediaifre)

Download and install the driver(do this to extract driver files), you will get the error while installing.
Perform the below steps to fix the issue.
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\SP39671 folder and select the .inf file and click open and Continue with the onscreen instructions.
Manually install Audio Drivers.

GRAPHIC:
NVIDIA GeForce G 103M/ G 105M Graphics Driver (186.81 WHQL XP 32-bit)
Download

if resulting in error use modded driver below:
Download
3-step process to install:
1. Download driver, double click and select extract,
2. Download modded INF and replace original INF in extracted folder,
3. Install & reboot.

LAN/EHERNET
Realtek RTL8102E/8111C Family PCI-E Gigabit Ethernet NIC Driver
Download

WIRELESS:
If you have broadcom wireless:
Broadcom: Download

If you have intel wireless
Intel: Download
(requires windows installer 3.0 installed first)

BROADBAND
Qualcomm Mobile Broadband Drivers - Gobi1000
Download

HP Connection Manager
Download

HP Connection Manager 3.0 APN Patch
Download

BLUETOOTH:
HP Integrated Module with Bluetooth Wireless Technology
Download

HP Wireless Assitant:
Download

MODEM:
High-Definition Audio (HDA) Modem Driver
Download

HP Wireless Assistant
Download (direct)
Download (HP)

HP Quicklaunch Button
Download (direct)

CARD READER
JMB38X Card Reader Host Controller
Download

WEBCAM
Cyberlink youcam software 2.0
Download

INFRARED
ENE-CIR Reciever:
Download