Dell Inspiron n5520

Application
QuickSet Application  Download

Audio
Conexant Audio Sound Driver  Download

Chipset
intel-Panther Point Chipset Driver  Download
Intel USB 3.0 Driver  Download
Intel Managementngine Interface Driver  Download 
Realtek RTS5179-Card Reader Driver   Download 

Deployment
Dell Touch Monitor Driver  Download 
Dell S2230MX Monitor Driver  Download 

CPU
Intel Turbo boost monitor Application  Download  

Input
Elantech TouchPad Driver  Download 

 Network
Realtek RTL8105E-V Driver  Download 
Intel Centrino Advanced-N (2230) Driver
Dell Wireless 1×1 WLAN 802.11b/g/n (2.4GHz), Bluetooth v4.0+HS Driver  Download 
Sata
INTEL Intel Rapid Storage Technology Driver  Download 

SEAGATE ST9500423AS Firmware  Download 

System Utilities
INTEL Intel Rapid Start Technology Driver  Download 

Video
Dell Intel Wireless Display Connection Manager Application  Download 
Dell AMD Radeon HD 7670M Driver  Download