Like I mentioned, you can either look up each device by PCI vendor ID, OR you can just install the drivers from the HP website starting with the newest ones first. If you post the PCI vendor IDs, we can try to narrow them down for you.
HP integrated Bluetooth module - Under Network, try Support Software for Bluetooth by HP 2004-08-29 , Version3.00 B, 20.08M
Mass Storage Controller - Try Media Card Reader Driver 2005-06-24 , Version1.4.0.1 A1, 2.98M
Multimedia Audio Controller - There are 2 conexant cards listed, install Conexant CX20468-31 AC97 Audio Driver EQ first
Network Controller - I'm guessing this is the Wifi card, try them in this order.
Intel PRO/Wireless Drivers 2005-09-16 , Version4.00 F, 5.81M
Broadcom Wireless LAN Driver 2005-06-01 , Version4.00 C, 3.32M
Broadcom WLAN Network Adapters Driver for Windows XP 2004-12-10 , Version3.00 D, 3.32M
Intel PRO/Wireless 2100 3B and 2200 3B Mini PCI Adapter Driver for Windows XP 2004-10-15 , Version3.00 E, 7.13M
PCI Modem - Again 2 listed. Try the conexant first. If that doesn't work, then the agere.
Video Controller and Video Controller (VGA Compatible) - You said you already tried the Intel drivers?
You can try the drivers from the Intel website:
https://downloadcenter.intel.com/Sea...troller+Family