Dell Precision 330 - Manual (Page 140)

140 Solving Problems
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• If you are using a modem and a network adapter, ensure that the
modem cable is not connected to the network adapter.
• Disconnect the network cable from the computer and check the cable
connector for bent or broken pins. Check for damaged or frayed cables.
• If the cable is not damaged, ensure that it is firmly connected to the
computer.
• Ensure that a hardware conflict does not exist between devices.
• Enter system setup and ensure that the appropriate network
operations settings are configured correctly.
• Verify the type of network device to which you are connecting the
computer. A hub typically operates at 10 megabits per second (Mbps).
A switch operates at 10 or 100 Mbps. Ensure that the network adapter
is configured for the appropriate speed. See the network adapter
diagnostics and configuration utility in the Dell Diagnostics .
Fill out the Diagnostics Checklist as you perform the following steps.
NOTICE: Do not connect a modem cable to the network adapter. Voltage
from telephone communications can cause damage to the network adapter.
1 Determine the type of network adapter you are using.
If you are using a network expansion card, go to step 2 .
If you are using the integrated network adapter, skip to step 3 .
2 Perform the procedure in " Expansion-Card Problems ."
Is the computer operating properly?
Yes. The problem is resolved.
No. Go to
step 4 .
3 Run the Network Adapter Diagnostics from the Dell Diagnostics
menu.
Did any of the tests fail?
Yes.
Contact Dell for technical assistance.
No. Go to step 4 .
4 Run the Network Interfaces tests in the Dell Diagnostics .
Did the tests complete successfully?