Dell Inspiron 14 (N4120, Early 2011) - Manual (Page 59)

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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 your wireless router to ensure it is
powered on and connected to your data
source (cable modem or network hub).
• Check if wireless is enabled on the
computer (see “Enable or Disable Wireless
(Optional)” on page 14).
• 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 network cable is loose or damaged.
Check the network cable to ensure it is
plugged in and not damaged.
Power Problems
If the power light is off — The computer is
either turned off, in hibernate mode, or is not
receiving power.
• Press the power button. The computer
resumes normal operation if it is off or in
hibernate mode.
• Reseat the AC adapter cable into the
power connector on the computer, into
the AC adapter, and to the electrical outlet.