3com Megahertz 10 Manual De Usuario

Basic 
troubleshooting, 
applicable for all 
problem 
situations.

Inspect all cables and connections.

Check whether your card if fully inserted into the slot.

Verify whether you have the latest BIOS for your system. If not, 
check the Web site for your computer and follow the BIOS 
upgrade instructions.

Check for multiple installations of the card.

Check whether your system’s PCMCIA or 
CardBus Controller is installed and running properly: 
go to Control Panel/System/Device Manager/PCMCIA Card. 
Verify that the controller is present and shows no errors.

Open Control Panel/PC Card to confirm that the system 
recognizes your card.

In Control Panel/Network application, make sure that you have 
the correct clients and protocols installed.

At installation, 
Update Device 
Driver window 
does not appear.

The LAN card may have already been installed.

The LAN card may have been installed as “Other Devices” 
because of a previous faulty installation.

PCMCIA may not be enabled on your system.

The LAN device is 
not functional. 
LED on the 
connector is off 
or mismatches 
the real network 
speed.

Use Control Panel/System/Device Manager to inspect the status 
of your LAN card.

If you see a red “X”, enable the card by checking the 
appropriate box under Properties.

If you see a yellow exclamation mark, click on the icon to see 
what the conflict is. Verify that there are adequate system 
resources. Try to free system resources (for example, disable 
the infrared port), then remove and reinstall the card. 

Losing network 
connection after 
disconnecting or 
changing the 
media speed 

This can occur when using NetWare servers and IPX/SPX 
protocol. It happens when the frame type is selected 
automatically. A temporary solution is to reboot after 
disconnecting and reconnecting the cable in NetWare 
networks. The permanent solution is to use specific frame types 
such as 802.2 or 802.3.