Dell Dimension L c Series, Reference And Troubleshooting Manual

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Basic Troubleshooting 4-9
4. If your computer has an integrated network interface controller (NIC), run the NIC
diagnostics.
Double-click the PROset icon in the Control Panel .
Click the Help button for instructions on how to use the diagnostics.
If the integrated NIC is not detected, refer to “Integrated NIC” in Chapter 6.
If the integrated NIC does not pass all the tests, refer to Chapter 7, “Getting
Help,” for instructions on obtaining technical assistance.
5. If your computer has a Dell-supported network card installed, run the Network
Interface test group as described in “Running the Dell Diagnostics” found later
in this chapter.
If the network card is not detected, refer to the documentation that came with
the card.
If the network card does not pass all the tests, refer to Chapter 7, “Getting Help,”
for instructions on obtaining technical assistance.
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Observe the following cabling restrictions for 10BASE-T and 100BASE-TX networks:
‡
For 10BASE-T networks, use Category 3 or Category 5 wiring and connectors.
‡
For 100BASE-TX networks, use Category 5 wiring and connectors.
‡
The maximum cable run length (from a computer system to a concentrator or
hub) is 100 meters (m) (328 feet [ft]).
‡
The maximum number of systems (not counting concentrators or hubs) on a
network is 1024.
‡
For 10BASE-T networks, the maximum number of daisy-chained concentrators or
hubs on one network segment is four.
Check with your network administrator for specific information about your network.
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Whenever a major component or device in your computer system does not function
properly, run the Dell Diagnostics provided on the
Dell Dimension ResourceCD
to
check your computer's hardware. If you find a problem you cannot solve by yourself,
the diagnostic tests can provide you with important information you will need when
talking to Dell's service and support personnel.
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