Dell Latitude C540 - Manual (Page 73)

Network Problems
Fill out the Diagnostics Checklist as you complete these checks.
Check the network cable connector - Ensure that the network cable connector is firmly
connected to the connector on the computer and the network wall jack.
Check the network lights on the network connector - Green indicates that the network
connection is active. If the status light is not green, try replacing the network cable. Amber
indicates that the network adapter driver is loaded and the adapter is detecting activity.
Restart the computer - Try to log on to the network again.
Contact your network administrator - Verify that your network settings are correct and
that the network is functioning.
General Program Problems
Fill out the Diagnostics Checklist as you complete these checks.
A program crashes
NOTE: Software usually includes installation instructions in its documentation or on a floppy disk or
CD.
See the software documentation - Many software manufacturers maintain websites with
information that may help you solve the problem. Ensure that you properly installed and
configured the program. Reinstall the program if necessary.
A program stops responding
End the program
Simultaneously press . 1.
Click the Applications tab, and then select the program that is no longer responding. 2.
Click End Task. 3.