The VGN-FW21L is a network device manufactured by Sony. Issues like weak Wi-Fi signal, slow DNS lookup, duplicate IP addresses, slow network and excessive CPU usage can be solved by updating this driver. It has been downloaded 14 times with a user rating of 4 out of 5 stars, based on 5 reviews. It is compatible with PCs running Windows 7, among other operating systems. The total disk space used for this update is 2.9 MB.
VGN-FW21L
Windows 7 (64 bit)
12.4.1.11 (22-Oct-2009)
Wireless LAN Driver File
Shanmugasundaramg (DG Staff Member) on 28-Jun-2013
To get the VGN-FW21L driver, click the green download button above. After you complete your download, move on to Step 2.
If the driver listed is not the right version or operating system, search our driver archive for the correct version. Enter Sony VGN-FW21L into the search box above and then submit. In the results, choose the best match for your PC and operating system.
Tech Tip: If you are having trouble deciding which is the right driver, try the Sony Driver Update Utility. It is a software utility which automatically finds and downloads the right driver.
To find the newest driver, you may need to visit the Sony website. Most major device manufacturers update their drivers regularly.
Open a tool called Device Manager.
Use Device Manager to put the new driver on your computer.
Turn your computer off.
Turn your computer back on.
Now your new driver is ready!
Tech Tip: Driver downloads and updates come in a variety of file formats with different file extensions. For example, you may have downloaded an EXE, INF, ZIP, or SYS file. Each file type has a slighty different installation procedure to follow.
For more help, visit our Driver Support Page for step-by-step videos on how to install drivers for every file type.