Dell Inspiron 15 (N5010, Early 2010) - Manual (Page 50)

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Solving Problems
Network Problems
Wireless Connections
If the wireless network connection is lost —
The wireless router is offline or wireless has
been disabled on the computer.
Check if wireless is enabled on the computer •
(see “Enable or Disable Wireless” on
page 14).
Check your wireless router to ensure it is
•
powered on and connected to your data
source (cable modem or network hub).
Re‑establish your connection to the
•
wireless router (see “Setting Up a Wireless
Connection” on page 19).
Interference may be blocking or interrupting
•
your wireless connection. Try moving the
computer closer to your wireless router.
Wired Connections
If the wired network connection is lost — The
cable is loose or damaged.
Check the cable to ensure it is plugged in •
and not damaged.