Download and install Broadcom Broadcom 802.11a Network Adapter driver

Broadcom 802.11a Network Adapter is a Network Adapters hardware device. The Windows version of this driver was developed by Broadcom. PCI/VEN_14E4&DEV_4321&REV_03 is the matching hardware id of this device.

1. Install Broadcom Broadcom 802.11a Network Adapter driver manually

1. Download the setup file for Broadcom Broadcom 802.11a Network Adapter driver from the link below. This download link is for the driver version 5.100.9.142 released on 2010-05-03.
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3. Run the driver setup file from a Windows account with administrative rights. If your User Access Control (UAC) is started then you will have to accept of the driver and run the setup with administrative rights.
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5. Go through the driver setup wizard, which should be pretty straightforward. The driver setup wizard will scan your PC for compatible devices and will install the driver.
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7. Restart your PC and enjoy the updated driver, as you can see it was quite smple.
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This driver is digitally signed by Broadcom.
Download size of the driver: 1649347 bytes (1.57 MB)
This driver was rated with an average of 4.4 stars by 77766 users.
This driver will work for the following versions of Windows:

• This driver works on Windows 2000 64 bits
• This driver works on Windows Server 2003 64 bits
• This driver works on Windows XP 64 bits
• This driver works on Windows Vista 64 bits
• This driver works on Windows 7 64 bits
• This driver works on Windows 8 64 bits
• This driver works on Windows 8.1 64 bits
• This driver works on Windows 10 64 bits
• This driver works on Windows 11 64 bits

2. Using DriverMax to install Broadcom Broadcom 802.11a Network Adapter driver

The most important advantage of using DriverMax is that it will install the driver for you in just a few seconds and it will keep each driver up to date. How easy can you install a driver with DriverMax? Let's see!

1. Start DriverMax and press on the yellow button that says ~SCAN FOR DRIVER UPDATES NOW~. Wait for DriverMax to analyze each driver on your PC.
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3. Take a look at the list of available driver updates. Search the list until you locate the Broadcom Broadcom 802.11a Network Adapter driver. Click on Update.
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5. Finished installing the driver!
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