Keyspan USA-49W Driver Download (Official)
The USA-49W is a USB device manufactured by Keyspan. This driver can help resolve issues like USB device not recognized, "Disk Not Formatted" errors, or if your device randomly ejects or stops working. This update - "KeyspanUSA49wWinV31B.exe" - has an average rating of 5 out of 5 stars based on 3 reviews, and has been downloaded 197 times. It is compatible with PCs running Windows XP, among other operating systems. The total disk space used for this update is 3.1 MB.
Supported Models
USA-49W
Manufacturers
Supported Operating Systems
Windows XP, Windows 2000, Windows ME, Windows 98
File Name
Additional Notes
This file contains version 3.1 of the Keyspan USB 4-Port Serial Adapter installer.
Release Notes:
* WQHL certified (signed drivers) * improves overall serial communications
Uploaded By
Alagappan (DG Staff Member) on 9-Apr-2005
Related Driver Updates
How to Update USA-49W Device Drivers
Step 1 - Download Your Driver
To get the USA-49W 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 Keyspan USA-49W 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 Keyspan 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 Keyspan website. Most major device manufacturers update their drivers regularly.
Step 2 - Install Your Driver
To install your new driver on Windows:
Right-click the Start button.
Click "Device Manager">
Find your device in the list.
Right-click the device and select "Update driver"
Follow the steps on screen.
Restart your computer when done.
This keeps your computer working at its best.
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.