D-Link DFE-550FX 100Mbps Fiber-optics Adapter Driver Download (Official)

8 Ratings

Supported Models

D-Link DFE-550TX FAST Ethernet 10/100 Adapter

D-Link DFE-530TXS FAST Ethernet 10/100 Adapter

D-Link DFE-550FX 100Mbps Fiber-optics Adapter

D-Link DFE-580TX 4 Port Server Adapter

D-Link DL10050-based FAST Ethernet Adapter (generic)



Supported Operating Systems


File Name

Versions (2002-03-07) via .inf

Uploaded By

DriverGuide (DG Staff Member) on 5-Sep-2008

Driver Contents File List

The following files are found inside the driver download file.

Name Size Date
550FX/DLH5X.COM 54.8 KB 24 Sep 2002
550FX/DLH5X.INI 20.7 KB 3 Dec 1999
550FX/DLHLPNDI.DLL 9.0 KB 16 Mar 2001
550FX/IPXODI.COM 39.7 KB 11 Jun 1996
550FX/LSL.COM 18.4 KB 1 Apr 1996
550FX/NET.CFG 1.3 KB 10 Sep 2002
550FX/NIC 9.0 KB 10 Jun 1999
550FX/OLEPRO32.DLL 164.1 KB 27 Oct 1998
550FX/PCIINFO.EXE 14.6 KB 10 May 1999
550FX/dlh5x.cat 8.7 KB 9 Aug 2002
550FX/dlh5x.ins 470 bytes 19 Sep 2002
550FX/dlh5xnd3.sys 35.9 KB 7 Mar 2002
550FX/dlh5xnd4.sys 36.7 KB 7 Mar 2002
550FX/dlh5xnd5.sys 29.2 KB 7 Mar 2002
550FX/netdlh5x.inf 17.4 KB 29 Mar 2002
550FX/oemsetup.inf 36.7 KB 27 Sep 2002

How to Update D-Link DFE-550FX 100Mbps Fiber-optics Adapter Device Drivers Quickly & Easily

Step 1 - Download Your Driver

To get the D-Link DFE-550FX 100Mbps Fiber-optics Adapter 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 D-Link DFE-550FX 100Mbps Fiber-optics Adapter 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 D-Link 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 D-Link website. Most major device manufacturers update their drivers regularly.

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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