User's Manual

Solving Problems 165
• Verify the type of network device to which you are connecting the
computer. A hub typically operates at 10 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?
Yes. The problem is resolved.
No. Go to step 5.
5 Turn off the computer, swap the network cable with a known working
cable, and then turn on the computer.
Is the computer working properly?
Yes. You need a new network cable. Contact Dell for technical
assistance.
No. Contact Dell for technical assistance.