PCI\VEN_14E4&DEV_43A3

Wi-Fi driver

PCI\VEN_14E4&DEV_43A3 is the Broadcom Inc. and subsidiaries BCM4350 802.11ac Wireless Network Adapter, 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_43A3
Device nameBCM4350 802.11ac Wireless Network Adapter
MakerBroadcom Inc. and subsidiaries (PCI vendor ID 14E4)
Device typeWi-Fi
Driver guideFind the right Wi-Fi driver
Known OEM variants2

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 BCM4350 802.11ac Wireless Network Adapter is built into that maker's product.

Full hardware ID endingMakerProduct
SUBSYS_00211028DellWireless 1820
SUBSYS_075A17AALenovo00JT494

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 BCM4350 802.11ac Wireless Network Adapter

  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_43A3.
  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.