You can DOWNLOAD DRIVER FOR HP PAVILION dv2396ea NOTEBOOK PC from

MICROSOFT VISTA :
http://h10025.www1.hp.com/ewfrf/wc/softwareList?os=2093&lc=en&cc=us&dlc=en&product=3443949&lang=en

Driver - Audio 
Conexant High Definition Audio Driver

Driver - Graphics 
Mobile Intel 945GM Express Chipset Family Video Driver (32-bit)  
NVIDIA GeForce Go 7200 Driver

Driver - Keyboard, Mouse and Input Devices
HP Digital/Analog TV Tuner Driver Software
HP Quick Launch Buttons 
Synaptics Touchpad 
HP Optical USB Mobile Mouse Driver
HP Wireless Laser Mini Mouse Software Driver
HP Webcam Driver with Firmware Upgrade for Microsoft Windows Vista
HP Digital TV Tuner Software Drivers

Driver - Modem 
Conexant HDAUDIO Soft Data Fax Modem with SmartCP Driver 

Driver - Network 
Intel PRO/Wireless Drivers for Microsoft Windows Vista
NVIDIA nForce Chipset/Network Drivers
HP Wireless Assistant 
Broadcom Wireless LAN Driver for Microsoft Vista
Support Software for HP Integrated Module with Bluetooth Wireless Technology (Microsoft Vista)

Driver - Storage
Ricoh 5-in-1 Card Reader Host Controller and Drive
Ricoh 5-in-1 Card Reader Host Controller and Driver

BIOS
WinFlash for HP Notebook System BIOS (for Notebooks with Intel Processors) - Microsoft Windows/Vista-Based

Operating System - Enhancements and QFEs
Essential System Updates for Microsoft Windows Vista
HP Help and Support for Microsoft Windows Vista (32-bit Editions)

Software - Multimedia
HP QuickPlay Web Update 

Software - Solutions
HP Update for Recovery Manager
LightScribe Host Software 
Webcam Fast Recording Patch
HP Software Update 

Utility - Tools
HP Active Support Library 

Microsoft Windows Vista (64-bit) :
http://h10025.www1.hp.com/ewfrf/wc/softwareList?os=2100&lc=en&cc=us&dlc=en&product=3443949&lang=en#

Driver - Audio
Conexant High Definition Audio Driver

Driver - Graphics
NVIDIA GeForce Go 7200 Driver 
Mobile Intel 945GM Express Chipset Family Video Driver (64-bit) 

Driver - Keyboard, Mouse and Input Devices
HP Digital/Analog TV Tuner Driver Software
HP Quick Launch Buttons 
Synaptics Touchpad 
HP Optical USB Mobile Mouse Driver
HP Wireless Laser Mini Mouse Software Driver
HP Digital TV Tuner Software Drivers

Driver - Modem
Conexant HDAUDIO Soft Data Fax Modem with SmartCP Driver

Driver - Network
Intel PRO/Wireless Drivers for Microsoft Windows Vista
NVIDIA nForce Chipset/Network Drivers
HP Wireless Assistant 
Broadcom Wireless LAN Driver for Microsoft Vista
Support Software for HP Integrated Module with Bluetooth Wireless Technology (Microsoft Vista)

Driver - Storage
Ricoh 5-in-1 Card Reader Host Controller and Drive

BIOS
WinFlash for HP Notebook System BIOS (for Notebooks with Intel Processors) - Microsoft Windows/Vista-Based

Operating System - Enhancements and QFEs
Essential System Updates for Microsoft Windows Vista
HP Help and Support for Microsoft Windows Vista (64-bit Editions)

Software - Multimedia
HP QuickPlay Web Update 

Software - Solutions
HP Update for Recovery Manager
LightScribe Host Software 
Webcam Fast Recording Patch
HP Software Update 

Utility - Tools
HP Active Support Library 

Microsoft Windows XP :
http://h10025.www1.hp.com/ewfrf/wc/softwareList?os=228&lc=en&cc=us&dlc=en&product=3443949&lang=en

Driver - Audio
Conexant High Definition Audio Driver (for AMD)

Driver - Keyboard, Mouse and Input Devices
HP Quick Launch Buttons 
Synaptics Touchpad 
HP Optical USB Mobile Mouse Driver
HP Wireless Laser Mini Mouse Software Driver

Driver - Modem
Conexant HDAUDIO Soft Data Fax Modem with SmartCP

Driver - Network
HP Wireless Assistant 

BIOS
WinFlash for HP Notebook System BIOS (for Notebooks with Intel Processors) - Microsoft Windows/Vista-Based

Software - Solutions
LightScribe Host Software 
HP Software Update 

Utility - Tools 
HP Upgrade Utility for Microsoft Windows Vista (Web Version) 

Microsoft Windows 2000 :
http://h10025.www1.hp.com/ewfrf/wc/softwareList?os=181&lc=en&cc=us&dlc=en&product=3443949&lang=en

Driver - Keyboard, Mouse and Input Devices
Synaptics Touchpad 

Driver - Network
HP Wireless Assistant 

Software - Solutions
LightScribe Host Software 
HP Software Update