The best way to fix your PC to run at peak performance is to update your drivers. Below is a list of our most popular Dell support software and device drivers. First select the Model Name or Number of your device. Next click the Download button. If you do not find the right match, type the model in the search box below to. Application - Application: Dell QuickSet - [Detail]; Application - Application: Dell Digital Delivery Client - [Detail]; Audio - Driver: Realtek Audio High-Definition Driver - [Detail]; BIOS - BIOS: Dell Inspiron 3521 System BIOS - [Detail]; CPU - Application: Intel Turbo Boost Technology Monitor Software - [Detail]; Chipset - Driver:. RE: Wireless driver for Dell INSPIRON 15 3567 i3 win 7 64Bit Jump to solution Hello, got problem with windows 10 pro, after install the system, the wifi function canot work, just bought this computer today, try so many times download and install the driver from Dell website, still not working.
As with most laptops, it shipped with Windows 8.1. I figured that with some diligent hunting, I could downgrade to Windows 7 Pro x64 and find the drivers online. After trying about 10 dead-ends drivers, I'm out of ideas.

Legacy download files
Legacy PROWIN32 and PROWIN64 download packages provide PROSet, driver, ANS, FCoE, and DCB support for Windows 7* and Windows Server 2008 R2*.
Regular webpacks provide Intel® PROSet support for operating systems Windows 8.1*, Windows Server 2012*, Windows Server 2012 R2*, Windows® 10, Windows Server 2016*, or newer supported operating systems. Context adaptive binary arithmetic coding.
Note: New hardware support or new features will not be added to legacy download packages.
Overview
This download contains the Intel® Ethernet network drivers and software for Windows 7*.
Which file should you download?
Note: 10GbE adapters are only supported by 64-bit drivers:
How to use this download
Download the self-extracting archive and run it. It will extract the files to a temporary directory, run the installation wizard, and remove the temporary files when the installation is complete. All language files are embedded in this archive. You do not need to download an extra language pack.
See readme notes if you want to extract the files without installing.
This software may also apply to Intel® Ethernet Controllers. Support for built-in network connections is provided by the system or board manufacturer.
About Intel® drivers
The driver or software for your Intel® component might have been changed or replaced by the computer manufacturer. We recommend you work with your computer manufacturer before installing our driver so you don’t lose features or customizations.
See list of manufacturers’ Support websites.