Alienware Area-51 m5500 User Manual page 81

Alienware area-51 m5500: user guide
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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
(or Realtek RTL8169/8110 Family Gigabit NIC) appears as one
of the adapters. If it does not exist, that means that either
Windows has not detected the 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 driver from the factory
CD-ROM disk or consult the Windows manual for how to solve
the resource conflict problem.
cable are good.
The hub or concentrator may not be working properly.
Check to see if other workstations connected to the same hub or
concentrator are working.
The Ethernet adapter does not appear to operate in the
100/1000Mbps transmission mode -
Make sure the hub you are using supports 100/1000Mbps
operation.
Make sure that your RJ-45 cable meets the
100/1000Base-TX requirements.
Make sure the Ethernet cable is connected to the hub
socket that supports 100/1000Base-TX mode. The hub may
have both 100Base-TX and 1000Base-T sockets.
chapter 5 troubleshooting
Make sure the physical connections on both ends of the
5-13

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