Solving Problems
This section provides troubleshooting information for your computer. If you are unable to solve your problem using the following guidelines, see “Using Support Tools” on page 28 or “Contacting Dell” on page 43.
WARNING: Only trained service personnel
should remove the computer cover. See the Service Manual on the Dell Support website at support.dell.com for advanced service and troubleshooting instructions.
WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practice information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.
Network Problems
Wireless Connections
If the network connection is lost — The wireless router is offline or wireless has been disabled on the computer.
•Check your wireless router to ensure it is powered on and connected to your data source (cable modem or network hub).
•
a.Save and close any open files, and exit any open programs.
b.Click Start 
→ Connect To.
c.Follow the instructions on the screen to complete the setup.
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