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How to eliminate bcmwl5 driver problems

The bcmwl5.sys (Broadcom) file is a Windows driver. Generally, drivers are used by Windows to enable internal components like graphic cards and drives, or external devices, such as printers, backup media or input devices.
Click here to check if you need to update your bcmwl5 driver.

The bcmwl5.sys process is also known as Broadcom (Version 802.11 Network Adapter wireless driver) and is a part of Dell Wireless WLAN Card Driver or, as the case may be, Broadcom (Version 802.11 Network Adapter Driver). This software is produced by Broadcom (www.broadcom.com). An obsolete or defective version of bcmwl5.sys can cause problems for your computer that can range from slowness to error messages such as these:

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What you should know about bcmwl5.sys Broadcom

bcmwl5.sys is not part of Windows, but it is important nonetheless. Bcmwl5.sys is found in the C:\Windows\System32\drivers directory. Frequently occurring are file sizes such as 424,320 bytes (42% of all these files), 429,184 bytes, 424,448 bytes or, as the case may be, 822,272 bytes.
If necessary, you can manually stop or start this driver in the Device Manager. The Device Manager can be found in Windows Control Panel under Hardware and Sound/Devices and Printers/Device Manager. The driver facilitates access to your computer's hardware and accessories. This bcmwl5 program does not appear as a visible window, but only in Task Manager. The service has no characteristics or description of its own. This is unusual. It is no part of Microsoft Windows. The file contains Microsoft's digital signature. This confirms its authenticity. bcmwl5.sys appears to be a file that was compressed by an EXE-Packer. This technique is often used by trojans to keep the file size small and also hamper debugging efforts. However, this in itself is not sufficient reason to presume malicious intent, since even well-intentioned, professional software producers take advantage of compressed files. For this reason, 15% of all experts consider this file to be a possible threat. The probability that it can cause harm is high.

If you see this file on your hard drive or in Windows Task Manager, please make sure that it is not a malicious variant. It's a fact that many trojans try to cloak their true identity by calling themselves bcmwl5.sys. With the above information or by using tools like Security Task Manager you can determine if, in your case, the file is an undesirable variant.

What do other computer users say about bcmwl5?

Supplied to me by BT with BT Voyager wireless hardware, not had any problems
wifi driver
Broadcom BCM43xx chipset wi-fi driver. It includes firmware that is loaded on to the wi-fi adapter when Windows starts up.
Pete Boyd
It is a driver for my Dell Wirless 1490 Dual Band WLAN mini card
Buffalow AirStation WLI-CB-G54HP Adapter (further information...)

Summary: 11 users judge bcmwl5.sys to be an essential file that should not be touched. source: file.net

How to uninstall Dell Wireless WLAN Card Driver or Broadcom

bcmwl5.sys Broadcom fix

To remove Broadcom from your computer, please follow the manual instructions below or use an automatic uninstaller product.

  1. Click the Windows Start Button. In Windows 8, look for Control Panel.
  2. Click Control Panel.
  3. Click Uninstall a program.
  4. Look for Dell Wireless WLAN Card Driver or Broadcom in the list of available programs.
  5. Click Uninstall.

How to tell if bcmwl5.sys (Broadcom) was uninstalled cleanly

After uninstalling, restart your computer. Then start Windows Explorer and see if there is still a folder with the name of the software under C:\Program Files. Be sure to check the Registry as well for remnants of Broadcom. To do this, start "Regedit", then look under "HKEY_LOCAL_MACHINE" > "Software" for Broadcom or the name of the producer. Always keep in mind that only a computer professional should ever directly delete entries in the Windows Registry.

What to do if a program does not uninstall

The easiest way to remove any kind of software cleanly and accurately is to use an uninstaller tool. Because the uninstaller automatically creates a backup, there is no risk of anything going wrong.

Last but not least

If Windows not working quite right for you, or if startup is taking a long time, or bcmwl5.sys is causing problems for you, a good Windows diagnostic tool may very well help. This is especially effective when it comes to older computers that have accumulated vast quantities of "garbage data" as the result of many software installs and uninstalls.

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