Compaq Presario V 3749au

First download the driver from the hp official site the use the driver below if any of them missing.

Compaq Presario V37** AU Series Driver

GRAPHICS http://tinyurl.com/4xyb6a OR
http://tinyurl.com/2o2zpf OR
http://tinyurl.com/2vvxfc

CHIPSET http://tinyurl.com/56bog2 OR
http://tinyurl.com/2qaa4d OR
http://tinyurl.com/3bqdjj

http://tinyurl.com/2v4drk = touchpad

http://tinyurl.com/yfv5w4
Microsoft Universal Audio Architecture (UAA) Bus Driver for High Definition Audio (sp33566)
Conexant High Definition Audio Driver
Conexant HDAUDIO Soft Data Fax Modem with SmartCP Driver
intel pro wireless driver
Ricoh 5-in-1 Card Reader Host Controller and Driver

quick launch
http://tinyurl.com/ypwkqy OR
http://tinyurl.com/2q4ntx