Troubleshooting Chart
Overview
If malfunctions occur, for instance, such that you can no longer access
the user interface of the FRITZ!Box, first try to solve the problems us-
ing the following tables.
Troubleshooting Chart
Problem
Cause
Solution
LEDs not on
Power supply in-
terrupted
•
Make sure the power supply
unit is connected properly.
•
Try plugging in a different de-
vice to make sure that the elec-
trical outlet is active.
Computer’s
wireless adapter
not ready for op-
eration
Switch on your computer’s wire-
less adapter. For details, consult
the manual of your computer.
Wi-Fi network
of the FRITZ!Box
switched off
If the “WLAN” LED is off, press the
WLAN button on the FRITZ!Box.
Hold the button down until the
“WLAN” LED begins flashing.
Computer can-
not find the Wi-
Fi network of the
FRITZ!Box
Enable the “Name of the Wi-Fi
network visible” function (“Wi-Fi /
Wi-Fi Network”) in the FRITZ!Box
user interface.
Cannot establish
a Wi-Fi connec-
tion
Incorrect net-
work key
Enter the correct network key
(“Wi-Fi / Security”).
FRITZ!Box 4040
184
Malfunctions
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• • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •
Summary of Contents for 4040
Page 1: ...Manual Manual FRITZ Box 4040 ...
Page 57: ...5 For further settings use the online help of the FRITZ Box FRITZ Box 4040 57 Configuring ...
Page 59: ...FRITZ Box 4040 59 Configuring 6 For further settings use the online help of the FRITZ Box ...
Page 80: ...3 For instructions open the online help FRITZ Box 4040 80 User Interface Internet Menu ...
Page 197: ...Legal Notice Contents of this chapter Legal Notice 198 FRITZ Box 4040 197 Legal Notice ...
Page 204: ......