hichamalgeria,  You just installed the operating system. How to Download and Install Drivers in the Correct Order  Download and install in this exact order...  Intel HM77 Chipset Driver  Intel Management Engine Interface Driver  Realtek Card Reader Driver   Intel USB 3.0 eXtensible Host Controller Driver  Realtek RTL8105E-V Ethernet Controller Driver  Then go to Dell Warranty Status enter your service tag, select original configuration. Look and see what wireless adapter you have installed. The go to Drivers and Downloads enter your service tag, make sure the proper operating system is selected, click on more filters, select French. Go to network and download and install the network adapters.  Then download and install Dell QuickSet  Places to look to see if your Connection is enabled   Rick
pleesssss help me driver wifi   Inspiron 3521 not work with windows 7 64bit  System Information------------------Time of this report: 8/2/2014, 19:32:47       Machine name: HICHAM-PC   Operating System: Windows 7 Professionnel 64-bit (6.1, Build 7601) Service Pack 1 (7601.win7sp1_rtm.101119-1850)           Language: French (Regional Setting: French)System Manufacturer: Dell Inc.       System Model: Inspiron 3521               BIOS: InsydeH2O Version 03.72.24A10          Processor: Intel(R) Core(TM) i3-3217U CPU @ 1.80GHz (4 CPUs), ~1.8GHz             Memory: 4096MB RAMAvailable OS Memory: 3972MB RAM          Page File: 1255MB used, 6685MB available        Windows Dir: C:\Windows    DirectX Version: DirectX 11DX Setup Parameters: Not found   User DPI Setting: Using System DPI System DPI Setting: 96 DPI (100 percent)    DWM DPI Scaling: Disabled     DxDiag Version: 6.01.7601.17514 32bit Unicode------------ 
Dell Inspiron 3521 driver wifi not work 