PCI\VEN_14E4&DEV_4328

BCM4321 802.11a/b/g/n driver

PCI\VEN_14E4&DEV_4328 is the Broadcom Inc. and subsidiaries BCM4321 802.11a/b/g/n, a Wi-Fi device. Without its driver Windows shows a Network Controller with a yellow mark and no wireless networks. Get it from Windows Update or your PC maker first; the chip maker's own package is on support.microsoft.com.

Download from support.microsoft.comFull guide: Find the right Wi-Fi driver

Device details

Hardware IDPCI\VEN_14E4&DEV_4328
Device nameBCM4321 802.11a/b/g/n
MakerBroadcom Inc. and subsidiaries (PCI vendor ID 14E4)
Device typeWi-Fi
Driver guideFind the right Wi-Fi driver
Known OEM variants14

PCs and boards that use this chip

Each line is a subsystem ID: the full hardware ID ends in SUBSYS_ plus these eight characters when the BCM4321 802.11a/b/g/n is built into that maker's product.

Full hardware ID endingMakerProduct
SUBSYS_00091028DellWireless 1500 Draft 802.11n WLAN Mini-Card
SUBSYS_000A1028DellWireless 1500 Draft 802.11n WLAN Mini-card
SUBSYS_1366103CHewlett-Packard CompanyBCM4321 802.11a/b/g/n Wireless LAN Controller
SUBSYS_1367103CHewlett-Packard CompanyBCM4321 802.11a/b/g/n Wireless LAN Controller
SUBSYS_1368103CHewlett-Packard CompanyBCM4321 802.11a/b/g/n Wireless LAN Controller
SUBSYS_1369103CHewlett-Packard CompanyBCM4321 802.11a/b/g/n Wireless LAN Controller
SUBSYS_0087106BApple Inc.AirPort Extreme
SUBSYS_0088106BApple Inc.AirPort Extreme
SUBSYS_008B106BApple Inc.AirPort Extreme
SUBSYS_008C106BApple Inc.AirPort Extreme
SUBSYS_0090106BApple Inc.AirPort Extreme
SUBSYS_432814E4Broadcom Inc. and subsidiariesBCM4328 802.11a/b/g/n
SUBSYS_00661737LinksysWPC600N v1 802.11a/b/g/n Wireless-N CardBus Adapter
SUBSYS_00681737LinksysWEC600N v1 802.11a/b/g/n Wireless-N ExpressCard

If your SUBSYS matches a laptop or board maker in this list, that maker's support page has the version tested for your model.

How to install the driver for BCM4321 802.11a/b/g/n

  1. Confirm the ID. In Device Manager, right-click the device, open Properties, then Details, and pick Hardware Ids. The first line should start with PCI\VEN_14E4&DEV_4328.
  2. Try Windows Update. Settings, Windows Update, Advanced options, Optional updates. Wireless drivers are often offered here.
  3. Check your PC maker. Enter your model or serial number on its support site and look under Networking or Wireless.
  4. Use the chip maker's package. Update drivers through Device Manager in Windows (Microsoft) on support.microsoft.com. Our find the right wi-fi driver guide explains which package fits.
  5. Restart and check. Open the Wi-Fi list in the taskbar and connect to your network.

Other Broadcom wi-fi IDs

Device names: The PCI ID Repository, public data. We never host driver files: downloads come from the maker.