Broadcom 80211n Network Adapter Driver Windows 7 64 Bit 11 May 2026
If you have an Ethernet cable, plug your computer directly into the router.
Unfortunately, without directly accessing Broadcom's or a specific OEM's (Original Equipment Manufacturer) site, I can't provide a direct download link. It's recommended to follow the steps above to safely locate and install the appropriate driver for your device.
Cause: Missing system files. Run sfc /scannow in command prompt as admin, then install the driver again.
If you have a folder containing .inf, .sys, and .cat files:
Solution: Roll back to version 11 via Device Manager → Driver tab → Roll Back Driver. If that fails, uninstall the device, check “Delete driver software,” then fresh install version 11.
If you encounter issues or have a more specific model number, additional forums and support sites (like Microsoft Community Forums, Reddit, etc.) might offer targeted advice.
This report covers the identification, acquisition, and installation of the Broadcom 802.11n network adapter driver for Windows 7 64-bit, specifically addressing versions within the "11" series or compatible alternatives. 1. Driver Version Overview
For Windows 7 64-bit systems, Broadcom drivers are often categorized by the specific chipset (e.g., BCM43xx) rather than a single unified version number. Ask Ubuntu Version Series 11 : Certain OEM versions, such as those found on
systems, may refer to internal package versions (like 11.x.x.x) or specific releases such as 7.77.113.0. Common Versions : Frequently used stable versions for Windows 7 include 6.30.223.234 6.34.223.5 7.12.39.13 2. Identifying Your Specific Adapter
Broadcom produces dozens of 802.11n adapters. To ensure you download the correct driver, you must identify the Hardware ID Device Manager (Start > type devmgmt.msc Network adapters
and right-click on the Broadcom adapter (or "Network Controller"). Properties Change the dropdown to Hardware Ids . Look for a value like PCI\VEN_14E4&DEV_4365 identifies the vendor as Broadcom. (e.g., 4365, 4727) identifies your specific chip. 3. Sourcing the Driver
Since Broadcom generally does not provide direct consumer downloads for end-user adapters, drivers should be sourced from the computer manufacturer’s support site: Broadcom 802.11n Network Adapter Drivers Download
Broadcom 802.11n Network Adapter Drivers Download * Driver Version: 7.12.39.13. * Release Date: 2014-11-17. * File Size: 16.14M. * Driver Scape
Broadcom Wireless LAN Driver (802.11a/b/g ... - Lenovo Support 5 Mar 2020 —
Finding the correct Broadcom 802.11n network adapter driver for your system depends on your specific hardware ID and manufacturer (e.g., HP, Lenovo, or Dell). For Windows 7 (64-bit), drivers are widely available, while Windows 11 often requires using older compatible drivers or manual installation via Device Manager. Recommended Driver Sources
It is safest to download drivers directly from your computer manufacturer's support site to ensure hardware compatibility.
Lenovo Support: Offers Broadcom Wireless LAN Drivers for various models like ThinkPad Edge and ThinkCentre Edge.
Dell Support: Provides driver version 5.100.82.15 specifically for models like the Latitude 6430u.
Microsoft Update Catalog: Contains various versions of the Broadcom 802.11n driver for Windows 7, typically ranging in size from 1.1MB to 6.6MB.
Broadcom Official Support: You can search for specific semiconductor-related downloads on the Broadcom Support Portal. Installation & Troubleshooting
If you are experiencing connection issues, especially on Windows 11, try these common fixes:
Check Hardware ID: Open Device Manager, right-click your adapter, select Properties > Details, and choose Hardware Ids to find the specific chip version (e.g., VEN_14E4&DEV_4727) for more accurate searching.
Manual Update: If Windows does not recognize the device, use the "Browse my computer for driver software" option in Device Manager to point directly to extracted driver files.
Compatibility Mode: For Windows 11, try changing the "Wireless Mode" in the adapter's Advanced properties to 802.11bg if the default "n" setting causes drops.
Enable 802.11n: Ensure the mode is enabled by running ncpa.cpl, right-clicking your connection, selecting Configure > Advanced, and setting 802.11n Mode to Enabled. Broadcom 802.11n driver - HP Support Community - 5890998
Technical Overview: Broadcom 802.11n Network Adapter Driver (Version 11, Windows 7 64-bit) The Broadcom 802.11n Network Adapter
is a legacy hardware component designed to facilitate high-speed wireless networking. For users running Windows 7 64-bit, maintaining the correct driver is essential for stability, particularly given the specific "Version 11" requirements often associated with enterprise-grade equipment or specific OEM builds like those from Dell or Lenovo . 1. Core Specifications and Compatibility
The 802.11n standard (Wi-Fi 4) introduced Multiple Input Multiple Output (MIMO) technology, allowing data rates of hundreds of megabits per second by utilizing both 2.4 GHz and 5 GHz frequency bands. Operating System: Windows 7 (Service Pack 1) 64-bit.
Common Hardware IDs: Often identified in Device Manager under VEN_14E4&DEV_4727.
Driver Versioning: While many repositories list versions like 6.3x or 7.12, "Version 11" typically refers to the driver package iteration or a specific build provided by OEMs like Lenovo for ThinkPad models (e.g., version 11.x for Edge series). 2. Installation Procedures broadcom 80211n network adapter driver windows 7 64 bit 11
There are two primary methods for ensuring this driver is correctly installed on a Windows 7 environment. A. Manual Installation via Device Manager
This is the most reliable method when automatic updates fail.
Open Device Manager: Press Win + R, type devmgmt.msc, and hit Enter.
Locate Adapter: Expand "Network adapters" and right-click the Broadcom 802.11n entry.
Update Driver: Select "Update Driver Software" and choose "Browse my computer for driver software" if you have downloaded the files locally from a source like the Microsoft Update Catalog .
Finalize: Point to the folder containing the .inf file and follow the prompts to finish. B. OEM Installer Packages
If using a manufacturer-specific build (like version 11 for ThinkPads):
How to manually install adapters on windows 10 & windows 11 - TP-Link
Finding the correct Broadcom 802.11n Network Adapter driver for Windows 7 (64-bit) is essential for restoring wireless connectivity on many legacy laptops and desktop cards. While Broadcom typically provides drivers directly to manufacturers (OEMs) rather than end-users, you can find the specific files you need through official manufacturer support portals. Where to Download the Driver
Since Windows 7 is no longer officially supported by Microsoft, you should download drivers from the specific PC manufacturer that built your device.
Lenovo Support: Offers Broadcom Wireless LAN drivers for various models (e.g., ThinkPad Edge E431/E531). You can find Broadcom Wireless LAN Driver for Windows 7 (64-bit) with a file size of approximately 11.8 MB.
Dell Support: Provides drivers for systems like the Dell Wireless 15xx series. A common driver for Windows 7 is Broadcom 802.11 ac/n Network Adapter + BT.
HP Support: If you are using an HP Notebook, you can search for your specific model on the HP Support Portal to find the legacy Broadcom 802.11n driver.
Broadcom Official: Note that Broadcom Inc. primarily hosts semiconductor-related documentation and may redirect you to OEM sites for consumer wireless drivers. Version & Compatibility Details
While your query mentions "version 11," driver versioning often varies by the specific chipset (e.g., BCM4313, BCM4322). Common versions for Windows 7 64-bit include:
Version 6.34.223.5: A widely compatible version released in late 2014 for Windows 7, 8.1, and 10.
Version 6.30.223.234: Released earlier in 2014, often used for stability on older hardware. Manual Installation Steps
If the standard installer fails, you can update the driver manually through Device Manager: Broadcom 802.11 ac Network Adapter+BT for Win7 - Dell
File Format: ZipPack External. File Name: Network_BCM_W74_X00_A00_Setup_6T70N_ZPE.exe. File Size: 254.57 MB. This is a large file. Dell Broadcom 802.11n Network Adapter Drivers Download
Broadcom 802.11n Network Adapter Drivers Download for Windows 10, 8.1, 7, Vista, XP. Driver Scape. Windows Driver Download Center. Driver Scape Support Documents and Downloads - Broadcom Inc.
Finding the correct Broadcom 802.11n network adapter driver for a 64-bit Windows 7 system can be tricky, as Broadcom typically doesn't provide end-user downloads directly. Instead, you should source these drivers from your computer manufacturer or the Microsoft Update Catalog Where to Download the Driver
Since Windows 7 is an older operating system, official support pages from manufacturers like Dell, HP, or Lenovo are your best bet for a stable driver: Microsoft Update Catalog : You can search for "Broadcom 802.11n" on the Microsoft Update Catalog . Look for version 7.12.39.28
or higher, which is often cited as a compatible update for Windows 7 systems. Manufacturer Support Portals Dell Users Dell Support Page for Broadcom adapters. Lenovo Users Lenovo Support for ThinkPad or ThinkCentre specific drivers. : Check the HP Support Community for direct links to version 7.12.39.28. How to Install Manually If you have the or zipped driver files, follow these steps: Device Manager devmgmt.msc , and hit Enter). Network adapters and right-click your Broadcom 802.11n entry.
It wasn’t the most glamorous piece of hardware. No RGB lighting, no “gamer” branding, no sleek aluminum casing. The Broadcom 802.11n Network Adapter was a humble, internal rectangle, soldered onto the motherboard of a five-year-old Dell Inspiron laptop. And in the spring of 2026, it was dying.
Raj, a second-year computer engineering student in Pune, stared at the screen of that very laptop. The familiar “No Internet, secured” message glared back at him. Above it, in Device Manager, a small yellow triangle perched on the adapter’s name like a vulture. The Properties tab revealed the grim diagnosis: “This device cannot start. (Code 10).”
“No, no, no,” Raj whispered, tapping the side of the laptop. Not now. His entire final project on edge-computing protocols—fifty-seven pages, eighteen graphs, and a working simulation—was due in 48 hours. And the only backup was on his university’s cloud drive, which he could not reach without Wi-Fi.
Ethernet? The port had died two years ago, victim of a clumsy roommate and a tripped-over cable.
USB tethering from his phone? He’d tried. The phone’s battery bulged like a small pillow and shut down after ten minutes.
He was trapped.
Raj rebooted into Safe Mode with Networking. Nothing. He ran the Windows Network Diagnostics. That cheerful, utterly useless message appeared: “Problem with wireless adapter or access point.”
He opened his phone’s browser—slow, crawling on 2G—and began to search. The query was desperate and hyper-specific:
broadcom 80211n network adapter driver windows 7 64 bit 11
The results were a ghost town. Windows 7 had reached end-of-life years ago. Most official Broadcom and Dell support pages now redirected to generic “Upgrade to Windows 10/11” landing pages. Forums were filled with dead links—MediaFire, RapidShare, and MegaUpload corpses from a decade past.
But Raj had learned one thing from his engineering courses: old problems had old solutions, hidden in the digital sediment.
He found a thread on a dusty forum called DriverPacks.net, last active in 2018. A user named G33k_4_Life had posted: “For Broadcom 802.11n rev 11 on Win7 x64—use the modified INF from Lenovo’s ThinkPad T520 driver pack. Remove the hardware ID check. Works like a charm.”
Attached was a zip file. “bcmwl664_signed_11.inf”
Raj’s heart pounded. This was either the answer or a one-way ticket to a full OS reinstall. He downloaded the file on his phone, transferred it via a frayed USB cable, and copied it to his laptop’s desktop.
He opened Device Manager, right-clicked the dead adapter, and selected Update Driver Software > Browse my computer > Let me pick from a list. He clicked Have Disk, and pointed to the modified INF file.
A warning popped up: “This driver is not digitally signed. Are you sure you want to install it?”
Raj remembered the number “11” in his search. That wasn’t a random digit. It was the PCI Subsystem ID—the tiny signature of his specific adapter revision. The G33k had understood.
He clicked Yes.
The progress bar moved. One second. Five seconds. A flicker. Then—the screen blinked. The network icon in the system tray changed from a red X to a yellow star. And then, slowly, triumphantly, to the white crescent of available networks.
His home Wi-Fi, “Netaji_2.4GHz,” appeared. Full bars.
Raj connected. The laptop sang its little Windows 7 connection chime—a sound he hadn’t heard in three months.
He opened the browser. The university cloud portal loaded. His project files were still there. All fifty-seven pages. He began the download, then sat back in his creaking plastic chair.
Outside, the Pune traffic roared. Inside, the little Broadcom adapter blinked green, resurrected by a decade-old forum post and a single, perfectly crafted search string.
He whispered to the screen: “Thank you, G33k_4_Life. Wherever you are.”
The download finished. Raj saved three copies—laptop, USB stick, and email. Then he closed the lid, just for a moment, and smiled at the small miracle of a driver that refused to be forgotten.
Broadcom 802.11n Network Adapter driver for Windows 7 (64-bit) is essential software that allows your computer’s wireless hardware to communicate with the operating system. Because Broadcom provides chips to many different laptop manufacturers (OEMs), the "official" driver usually comes from your specific computer manufacturer rather than Broadcom itself. Where to Download the Driver
You should always prioritize downloading drivers from your PC manufacturer's official support page. Lenovo Support
: Offers specific Broadcom drivers for the ThinkPad Edge series and other models Lenovo Support Dell Support
: Provides downloads for Broadcom adapters integrated into Inspiron, Latitude, and Precision laptops Dell Support HP Support
: Maintains archives for Broadcom 802.11n drivers compatible with various HP Notebooks HP Support Microsoft Update Catalog
: A reliable alternative for finding certified driver versions if the manufacturer's site is unavailable Microsoft Update Catalog Installation Steps
Broadcom Wireless LAN Driver (802.11a/b/g ... - Lenovo Support
In the Ready to Install window, select Install. All the necessary files. will be extracted to the folder selected in the step 9. [
Broadcom 802.11 ac Network Adapter+BT for Win7 | Driver Details
The Broadcom 802.11n Network Adapter driver is a critical software component that allows your Windows 7 64-bit system to communicate with your wireless hardware. For users specifically seeking version 11, it is important to note that many official manufacturers like Lenovo and Dell often package these drivers as part of larger suites (such as version 6.30 or 7.35) which are verified for stability on legacy systems. Key Specifications & Compatibility If you have an Ethernet cable, plug your
Operating System: Windows 7 (specifically SP1 64-bit versions).
Hardware Standard: 802.11n (Wi-Fi 4), often backwards compatible with 802.11a/b/g.
Common Driver Versions: While users search for "11", common stable versions found in repositories include 7.35.317.3, 6.34.223.5, and 5.100.196.15. Where to Find the Driver
Broadcom Wireless LAN Driver (802.11a/b/g ... - Lenovo Support
The room was dark, illuminated only by the harsh, blue glow of a monitor. Mark sat hunched over his keyboard, his eyes burning. It was 2:00 AM.
On the screen sat a grim monument to frustration: a red "X" hovering over the network icon in the system tray. The dreaded "No Internet Access."
Mark was trying to revive an old but reliable workhorse of a laptop—a machine from 2011 that he needed for a legacy application. He had just performed a fresh install of Windows 7 Ultimate, 64-bit edition. The OS was clean, snappy, and completely useless. It couldn't find a single signal in the air.
He opened the Device Manager. Under "Other Devices," a yellow exclamation mark sat next to an ominous label: Unknown Device.
"I know you’re in there," Mark muttered, right-clicking and selecting Properties. He navigated to the Details tab and selected Hardware IDs from the dropdown.
The string of text appeared like a secret code: PCI\VEN_14E4&DEV_4727.
Mark’s fingers danced over the keyboard of his phone, searching for the vendor code. The result came back instantly: Broadcom. Specifically, the Broadcom 802.11n Network Adapter.
"Gotcha," he whispered.
He turned back to the PC. This was the tricky part. Windows 7 didn't natively support this particular Wi-Fi chipset well, and Broadcom’s drivers were notorious for being buried inside massive, bloated installation packages that often failed to detect the hardware.
He began the hunt.
He tried the official manufacturer’s site first—HP, maybe Dell? The support page for his specific laptop model had been archived. The links were broken, leading to 404 error pages that felt like dead ends in a maze.
He went deeper. He typed the query into a search engine, carefully crafting his string: "broadcom 80211n network adapter driver windows 7 64 bit 11". The "11" was a gamble—sometimes it referred to the driver version, sometimes it was just noise, but Mark was desperate. He needed a specific, signed driver version that played nice with the 64-bit architecture.
The results were a minefield. "Driver Update Tool Free Download!" the ads screamed. He ignored them. Those were malware traps. He needed the raw .sys and .inf files.
He landed on a tech forum thread from 2013. It was a digital ghost town, the last post from a decade ago. A user named Wi-Fi_Wizard_01 had posted a direct link.
"This is the one for the BCM4313 chipset on Win 7 64-bit. Version 11. No luck with the newer ones, use this legacy installer."
Mark clicked the link. A file began to download: sp55091.exe. It was small, only a few megabytes. No bloatware. Just the driver.
He copied the file to a USB stick, plugged it into the isolated machine, and double-clicked.
A DOS window flashed. Files extracted. A setup wizard appeared—plain, gray, distinctly Windows 7 era.
Installing driver software...
Mark held his breath.
The yellow exclamation mark in the Device Manager vanished. The "Other Devices" category folded up and disappeared. In its place, under "Network Adapters," a new entry solidified: Broadcom 802.11n Network Adapter.
Suddenly, the red "X" in the system tray changed to a white signal bar. A list of available networks popped up. His home Wi-Fi, "The_Batcave," sat at the top of the list.
Mark typed in his password, hit enter, and watched the spinning circle. Connected.
The browser icon lit up. He clicked it. Google loaded.
He leaned back in his chair, exhaling a breath he felt he’d been holding for three hours. The machine was alive. The hunt for the Broadcom 11 driver was over. The room was dark, illuminated only by the
The "Broadcom" driver is often customized by the manufacturer of your computer (HP, Dell, Lenovo, Asus, etc.).
Install or update the Broadcom 802.11n Network Adapter driver on Windows 7 (64-bit).