Dell Inspiron N4020 Windows XP Drivers
 Dell Inspiron N4020 Windows XP Drivers

Chipset Driver
Intel GM45 Chipset Driver
Download

MEI
Intel management Interface
Download 

Graphic:
Intel Graphic Driver
Download 

Audio
IDT high definition Audio Driver
Download 

Wireless
Broadcom Wireless Driver
Download 

Bluetoth
Dell Wireless 365 Bluetooth Module 
Download

Card Reader
Realtek RTS5138 Card Reader
Download

LAN
Atheros LAN Driver
Donwload

Touchpad
Laps Touchpad Driver
Download