The USA-19QW 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 - "KeyspanUSA19wWinV31.exe" - has an average rating of 5 out of 5 stars based on 14 reviews, and has been downloaded 3,847 times. It has been installed successfully by our users on PCs running Windows XP. The total disk space used for this update is 3.0 MB.
USA-19QW
USA-19W
Windows XP, Windows 2000, Windows ME, Windows 98SE, Windows 98
This file contains version 3.1 of the Keyspan "High Speed" USB Serial Adapter installer.
Release Notes:
* WQHL certified (signed drivers) * improves overall serial communications
Alagappan (DG Staff Member) on 9-Apr-2005
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To get the USA-19QW 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-19QW 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.
After you get your new driver, you need to put it on your computer. On Windows, there's a tool called Device Manager that helps with this. It shows you all the parts of your computer and the drivers they use. To finish setting up the new driver, you'll probably need to turn your computer off and on again.
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.