Compaq Presario cq42 Laptop Drivers Free 

CHIPSET
Intel
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GRAPHICS

Intel 4 Series Express Chipset Family Graphics

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AMD HD Graphics
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Intel HD Graphics
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AUDIO

Realtek HD

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LAN

Realtek Family PCI-E Fast Ethernet NIC Driver

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WIFI

Atheros Wireless Network

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Broadcom Wireless LAN

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Intel Pro/Wireless
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RaLink Wireless
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Realtek Wifi Network
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MODEM
LSI HDA Modem
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BLUETOOTH
Broadcomm Blutooth 

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TOUCHPAD Mouse

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