Compaq Presario CQ40-616 Windows Vista Drivers

CHIPSET:
From my experience if there are smsbus (with yellow mark) on device manager you need to install chipset driver. If there are not i think it not necessarily install:
Download (direct)
Download (HP)


GRAPHIC:
If you have Intel Graphic:
Mobile Intel 45 Express Chipset Family Graphics Driver
Download (direct)
Download (HP)


If you have Nvidia:
Nvidia GeForce G 105M/103M
Download (direct)
Download (HP)


AUDIO:
IDT High-Definition Audio CODEC Driver
Download (sp45211)
If it didn't work use below:
Download (SP41616)


HP Quicklaunch Button
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Download (HP)


ALPS Pointing Device Driver (2- and 4-Way) for 14-Inch Wide LCD
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Download (HP)


LSI High-Definition Audio (HDA) Modem
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Download (HP)


HP Wireless Assistant
Download (direct)
Download (HP)


Realtek RTL8102E/8111C Family PCI-E Gigabit Ethernet NIC Driver
Download (direct)
Download (HP)


WIRELESS:
Intel PRO/Wireless Drivers for Microsoft Windows Vista
Download (direct)
Download (HP)


Broadcom Wireless LAN Driver for Microsoft Windows Vista
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Download (HP)


JMB38X MS SD SD/MMC xD Card Reader Driver
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Download (HP)


Essential System Updates for Microsoft Windows Vista Service Pack 1 (SP1)
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Download (HP)


Cyberlink YouCam Software
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Download (HP)


Lightscribe System Software
Download (direct)
Download (HP)