Compaq Presario CQ45-137TX Windows XP Drivers

Intel Chipset,(install and reboot before other drivers)
Download

NVIDIA GeForce 9200M G from laptopvideo2go site
Nvidia ForceWare X 179.28 for Windows XP/2K 32bit,
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.

Installing Audio one of the most difficult part, since BIOS incompatibility.

Install MS-UAA first,
Download

IDT High-Definition Audio CODEC Driver
Download (sp39671)

High-Definition Audio (HDA) Modem Installer and Driver, here
Download

Broadcom Wireless,
Download

Realtek RTL8102E Family PCI-E Fast Ethernet NIC
Download (direct)
Download (realtek site)

JMB38X Card Reader Host Controller Driver, here
Download

ENE CIR Receiver (your Vista driver), here
Download

or if it does not work try Vista driver verified from Intel, here
Download

ALPS Touchpad Driver
Download

Net framework 2.0
(require before HP QLB)
Download

HP Quick Lauch Buttons
Download

If you had Bluetooth
Download

If you had for 7 unknown devices (buttons drivers), here
Download
Installation --> right click machine.inf, choose install.