DELL INSPIRON N4020 WINDOWS 7 32 BIT DRIVER FREE

Card Reader
Realtek RTS5138 Card Reader
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Audio / Sound
IDT 92HD79B1
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TouchPad 
Alps TouchPad
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Modem 
Conexant D400,External USB 56K Modem
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Bluetooth
Dell Wireless 365 Bluetooth Module
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LAN/ Ethernet 
Atheros AR8132 LAN 10/100
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Wi-Fi / Wireless Lan
Dell Wireless 1503 802.11b/g/n
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Dell Wireless WLAN 1501 Half Mini-Card (4313bgn)
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Dell Wireless WLAN 1520 Half MiniCard
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