
PCI/PXI Gigabit Ethernet Adapters Installation Guide 14 ni.com
WOL558.VXD Missing or Not Found (Windows 98 Only)This error can occur in Windows 98 if an .inf file already installed on the 
system interferes with the driver installation. Complete the following steps 
to manually install the Ethernet adapter:
1. Open Windows Explorer.
2. Select Views»Folder Options.
3. Select the View tab.
4. Select Show all files and click OK.
5. Delete net557.inf and net557.pnf in the Windows/inf folder.
6. Double-click the System icon from the Control Panel.
7. Select the Device Manager tab and double-click Network Adapters.
8. Select the Intel PRO/1000 MT Desktop Adapter and click Remove.
9. Restart your computer.
10. Follow the instructions given previously in the Windows Me/98 section 
to install the Windows98 drivers.
Adapter Cannot Connect to the Network1. Make sure the cable is installed properly.
The network cable must be installed properly at both the adapter and 
the hub. The maximum distance for the cable is 100 m. If the cable is 
connected properly and within the allowed distance, try another cable.
2. Check the LEDs on the adapter.
The adapter has two LEDs located on the RJ-45 connector. 
Thefollowing table lists the function of each LED.
LED Color Function Indication Meaning
Green Action/Link On The adapter is receiving power. The cable 
connection is good.
Off The adapter is not sending or receiving 
network data. The adapter is not receiving 
power. The cable connection is bad or you 
have a driver problem.
Flashing The adapter is sending and receiving 
network data.
Yellow/Green Speed Yello w The adapter is operating at 1,000 Mb/s.
Green The adapter is operating at 100 Mb/s.
Off The adapter is operating at 10 Mb/s.