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Ethernet
You cannot see the other computers on your network
• Make sure that your Ethernet cable is plugged into the
Ethernet jack on your computer. Make sure that the
other end is plugged into a network router, switch, hub,
or other network device.
• Make sure that all computers are plugged into a
powered electrical outlet and turned on.
• Make sure that the router (if you are using one) is
plugged into a powered electrical outlet and turned on.
Most routers have lights that indicate they are working.
For more information, see the documentation that came
with your router.
• If you are using a router, try rebooting it by unplugging
its power cord, waiting five seconds, then plugging it
back in.
• Make sure that all computers on your network have the
same workgroup name.
• Make sure that all computers are using the same Subnet
Mask.
• If you assigned IP addresses to the computers, make
sure that all computers have different IP addresses. For
home networks, IP addresses should be 192.168.N.N
where N is a number you assign between 0 and 254.
The first N should be the same for all computers on your
network and the second N should be different for all
computers on your network.
The computer does not recognize an Ethernet expansion
card
• Shut down and restart your computer.
• Make sure that you have installed the required
software. For more information, see the documentation
that came with your Ethernet card.
• Reseat the card. For more information about opening
your computer case, see “Opening the case” on
page 37. For more information about your Ethernet
card, see the documentation that came with your
Ethernet card.
8512243.book Page 83 Monday, February 12, 2007 4:35 PM