Install UAA first and then install audio.
Microsoft Universal Audio Architecture (UAA) Bus Driver for High Definition Audio (sp33867)
ADI SoundMAX AD1984A Sound Audio Driver for Windows XP
Intel AMT Driver and intel Chipset Driver
HP EliteBook 8530p Intel AMT Driver
Intel Chipset Installation Utility for ICH9 for Windows 2000 and XP
Video/VGA/GRAPHICS DRIVER
ATI Graphics Video VGA Driver and Control Panel
Others.
Infineon Trusted Platform Module (TPM) Driver
HP EliteBook 8530p HP Quick Launch Buttons
HP EliteBook 8530p Chicony Camera Webcam Driver
HP EliteBook 8530p Synaptics Touchpad Driver
AuthenTec Fingerprint Driver (32-bit)
LSI High-Definition Audio (HDA) Modem Driver for Microsoft Windows XP
HP EliteBook 8530p Intel PRO/Wireless WLAN Wifi Drivers
Intel 82567LM Gigabit Ethernet Driver for Windows XP/Vista
Software Support for HP Integrated Module with Bluetooth Wireless Technology
HP EliteBook 8530p Ricoh Media Card Reader Driver