Chipset
Mobile Intel 45 Express Chipset Family Graphics Driver
Fingerprint
HP Pavilion dv4-1280us Validity Fingerprint Sensor Driver
Audio
HP Pavilion dv4-1280us IDT High-Definition Sound Audio CODEC Driver
Utilities
HP Pavilion dv4-1280us Intel Chipset Installation Utility
VGA
NVIDIA GeForce 9200M GS Graphics Video VGA Driver
TV tuner
HP Integrated Hybrid TV Tuner Driver
HP Integrated Digital TV Tuner Driver
HP Pavilion dv4-1280us ENE CIR Receiver Driver
Audio modem
High-Definition Audio (HDA) Modem Installer and Driver
Wireless(varies)
Intel PRO/Wireless WLAN Drivers for Microsoft Windows Vista
Broadcom Wireless LAN Driver for Microsoft Windows Vista
Realtek RTL8102E/8111C Family PCI-E Gigabit Ethernet NIC Driver
Software Support for HP Integrated Module with Bluetooth Wireless Technology
HP Pavilion dv4-1280us JMB38X MS SD SD/MMC xD Card Reader Driver
HP Quick Launch Buttons for Windows XP