The CF-51E is a modem manufactured by Panasonic. If you cannot connect to the network, or have slow transfer speeds or intermittent disconnection problems, you may need to update your modem driver or firmware. This version of "modem_51_1ll_d040336.exe" is rated (4 out of 5 stars) based on 12 downloads and 4 reviews. Compatibility for this driver update includes PCs running Windows operating systems such as Windows XP. The total disk space used for this update is 926.6 KB.
CF-51E
Windows XP, Windows 2000
This is the Windows2000 downgrade driver of the WindowsXP model
OS: Windows 2000 downgrade, Windows XP SP2
Modem Driver File
Sathishkumar (DG Staff Member) on 3-Feb-2010
To get the CF-51E 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 Panasonic CF-51E 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 Panasonic 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 Panasonic website. Most major device manufacturers update their drivers regularly.
After downloading your new driver, installation is the next step. On Windows, utilize the built-in Device Manager utility to manage this process. This tool provides a comprehensive view of all system-recognized devices and their associated drivers. To complete the installation, a system restart is typically required 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.