User Manual

■ chapter 5 trouble shooting
5-13
Network Adapter / Ethernet Problems
The Ethernet adapter does not work -
 Go to [Start > Settings > Control Panel > System >
Hardware > Device Manager]. Double-click on Network
Adapters and check if Realtek RTL8139/810x Family Fast
Ethernet NIC appears as one of the adapters. If it does not
exist, Windows has not detected the Realtek RTL81 39/810x
Family Fast Ethernet NIC or the device driver has not been
installed properly. If there is a yellow mark or red-cross on the
network adapter, it may be a device or resource conflict.
Replace or update the device drive r fro m the factory CD-ROM
disk or consult Windows m anual on how to solve the resource
conflict problem.
 Make sure the physical connections on both ends of the
cable are good.
 The hub or concentrator may not be working p rop erly.
Check to see if other workstations connected to the same hub
or concentrator is working.
The Ethernet adapter does not appear to operate in the
100Mbps transmission mode -
 Make sure the hub you are using supports 100Mbps
operation.
 Make sure that your RJ-45 cable meets the 100Base-TX
requirements.
 Make sure the Ethernet cable is conn ected to the hub
socket that support s 100Base-TX mode. The hub may have
both 100Base-TX and 100Base-T sockets.