Westell B90-210010-04 Driver Download (Official)

Download the latest version of the B90-210010-04 driver for your computer's operating system. This version of "usb_driver2100.zip" has been downloaded 549 times with a user rating of 5 out of 5 stars, based on 11 reviews. Our users report success installing this driver update on PCs running Windows XP. The total disk space used for this update is 77.0 KB.

11 Ratings

Supported Models


Westell WireSpeed Dual Connect Modem



Supported Operating Systems

Windows 2003, Windows XP, Windows 2000, Windows NT4, Windows ME, Windows 98SE, Windows 98, Windows 95

File Name

Additional Notes


USB Driver File

Uploaded By

Purushothaman (DG Staff Member) on 17-Feb-2006

Driver Contents File List

The following files are found inside the driver download file.

Name Size Date
WstlRtr.inf 6.0 KB 22 May 2002
license.txt 7.0 KB 13 Feb 2002
rndismpk.sys 27.4 KB 7 Mar 2002
rndismpm.sys 26.9 KB 10 Aug 2001
rndismpw.sys 26.9 KB 10 Aug 2001
usb8023k.sys 11.1 KB 7 Mar 2002
usb8023m.sys 11.1 KB 10 Aug 2001
usb8023w.sys 11.3 KB 10 Aug 2001
wstlRtr.cat 7.9 KB 25 Jun 2002

How to Update B90-210010-04 Device Drivers Quickly & Easily

Step 1 - Download Your Driver

To get the B90-210010-04 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 Westell B90-210010-04 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 Driver Update Utility for Westell B90-210010-04. It is a software utility which automatically finds and downloads the right driver.

Step 2 - Install Your Driver

Once you have downloaded your new driver, you'll need to install it. In Windows, use a built-in utility called Device Manager, which allows you to see all of the devices recognized by your system, and the drivers associated with them.

How to Open Device Manager

  • In Windows 11, Windows 10 & Windows 8.1, right-click the Start menu and select Device Manager

  • In Windows 8, swipe up from the bottom, or right-click anywhere on the desktop and choose "All Apps" -> swipe or scroll right and choose "Control Panel" (under Windows System section) -> Hardware and Sound -> Device Manager

  • In Windows 7, click Start -> Control Panel -> Hardware and Sound -> Device Manager

  • In Windows Vista, click Start -> Control Panel -> System and Maintenance -> Device Manager

  • In Windows XP, click Start -> Control Panel -> Performance and Maintenance -> System -> Hardware tab -> Device Manager button

How to Install a driver from Device Manager

  1. Locate the device and model that is having the issue and double-click on it to open the Properties dialog box.

  2. Select the Driver tab.

  3. Click the Update Driver button and follow the instructions.

In most cases, you will need to reboot your computer in order for the driver update to take effect.

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.

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