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Broadcom 80211n Network Adapter Driver Windows 7 64 Bit 11 |top| [ Windows ]

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 broadcom 80211n network adapter driver windows 7 64 bit 11

: 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 Broadcom 802

Blog Title: Solving the Mystery of the Broadcom 802.11n Network Adapter (Driver for Windows 7 64-bit)

Target Keyword: broadcom 80211n network adapter driver windows 7 64 bit 11

Posted by: TechRescue Team Date: April 12, 2026

If you are still running Windows 7 (64-bit) on an older laptop or desktop, you have likely encountered the dreaded yellow exclamation mark next to the Broadcom 802.11n Network Adapter in Device Manager. Specifically, many users search for the exact phrase broadcom 80211n network adapter driver windows 7 64 bit 11 when they notice their Wi-Fi dropping, refusing to connect, or vanishing entirely. Blog Title: Solving the Mystery of the Broadcom 802

Let’s break down what this driver is, why Windows 7 users struggle with it in 2026, and how to fix it for good.

Method 2: Device Manager Update (For INF files)

If you have a folder containing .inf, .sys, and .cat files:

  1. Press Win + R, type devmgmt.msc, hit Enter.
  2. Find your Broadcom adapter (may show as “Unknown Device”).
  3. Right-click → Update Driver Software → Browse my computer.
  4. Point to the extracted driver folder.
  5. Check “Include subfolders” → Next.
  6. If you see a warning about “Driver not digitally signed,” click Install anyway (only if you trust the source).

Wi-Fi connects but no internet (Limited connectivity)

Fix:

  1. Open Network and Sharing Center → Change adapter settings.
  2. Right-click Wi-Fi adapter → Properties.
  3. Uncheck Internet Protocol Version 6 (TCP/IPv6) (Broadcom v11 has known IPv6 issues).
  4. Restart the adapter.

Step 1: Identify the exact hardware ID

  • Open Device Manager → Right-click the adapter → Properties → Details tab.
  • Select Hardware Ids from the dropdown.
  • Look for something like: PCI\VEN_14E4&DEV_4727&SUBSYS_145C103C
    • Note: VEN_14E4 confirms it is Broadcom.