Dell Inspiron 3521 Drivers for windows 7

Intel Chipset Driver

Dell Intel Panther Point HM77 Chipset
Inspiron 15 3521

Intel Management Engine Interface
Inspiron 15 3521

Card Reader

Realtek RTS5179 Card Reader
Inspiron 15 3521

Touchpad

Synaptics Touchpad
Inspiron 15 3521

Audio driver

Realtek ALC3221-CG


HD Graphics

AMD Radeon HD 7670M


Network

Dell Wireless 1x1 WLAN 802.11b/g/n (2.4GHz), Bluetooth v4.0+HS


Dell QuickSet

Intel Turbo Boost Technology Monitor

Intel Rapid Storage Technology