CHIPSET:
Compaq Presario v3754tu Chipset Diver 
Intel Chipset Installation Utility for ICH9m for  Microsoft Windows 7
Download 
AUDIO
Compaq Presario v3754tu Audio Driver 
Conexant High-Definition SmartAudio 221 Driver 
Download
GRAPHIC:
Compaq Presario v3754tu Graphic Driver
If  you have Intel Graphic:
Mobile Intel 965 Express Chipset Family  Video Driver For Windows 7
Download
If  you have Nvidia Graphic:
NVIDIA GeForce 8M Series GS  Graphics/Video Driver (195.62 
WHQL)Download  (32-bit)
Download  (64-bit)
MODEM:
Compaq Presario v3754tu Modem Driver 
HDAUDIO Soft Data Fax Modem with  SmartCP
Download
WIRELESS:
Compaq Presario v3754tu Wireless Driver 
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If  you have Intel Wireless:
Intel Wireless LAN Driver for Microsoft  Windows 7
Download
If  you have Broadcom Wireless:
Broadcom Wireless LAN Driver for  Microsoft Windows 7
Download
If  you have Atheros Wireless
Atheros Wireless LAN Driver for  Microsoft Windows 7 
Download
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BLUETOOTH:
Compaq Presario v3754tu Bluetooth Driver.
Software  Support for HP Integrated Module with Bluetooth Wireless Technology
Download
WIRELESS UTILITIES:
HP  Wireless Assistant
Download  
WEBCAM;
Compaq Presario v3754tu Webcam software and Driver 
Cyberlink  Youcam Software
Download
ETHERNET
Compaq Presario v3754tu LAN/Ethernet Driver 
Marvell  Yukon 88E8039 PCI-E Fast Ethernet Controller Driver 
Download
LIGHTSCRIBE:
Compaq Presario v3754tu Lightscribe software.
Lightscribe  System Software
Download  
TOUCHPAD:
Compaq Presario v3754tu Touchpad Driver.
ALPS Touchpad Pointing Device Driver
Download
HP  DVB-T TV Tuner External Expresscard Driver
(originally vista  drivers) 
Download
HP  Digital/Analog TV Tuner Driver Software
(originally vista  drivers)  
Download
BUTTON:
Compaq Presario v3754tu Button Driver.
HP  Quicklaunch Button
Download  (direct)
Download  (HP)
CARD READER:
 Ricoh 5-in-1 Card Reader Host  Controller and Driver for Microsoft Windows 7 (32-bit and 64-bit)
Download 
or
Download