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Error Scenario
Cause
Solution
Path name
incorrect
Open the user interface by
entering its complete address
(
instead of
fritz.box).
FRITZ!Box has
crashed
Remove the FRITZ!Box from the
power mains and restart the
FRITZ!Box again after about five
seconds.
Cache is full
Empty the cache of your web
browser.
For more information on this, see
the help of your web browser.
Proxy configura
tion does not
allow the
FRITZ!Box
address
If a proxy server is enabled in
your web browser, the address of
the FRITZ!Box must be entered as
an exception. Check your web
browser settings.
For more information on this, see
the help of your web browser.
User interface
does not open
Computer is not
configured to
obtain IP
address auto
matically
On your computer, enable the
setting “Obtain an IP address
automatically” for the network
adapter used to connect to the
FRITZ!Box.
For more information, see the
documentation by the manufac
turer of your operating system.
Malfunctions
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190
FRITZ!Box 4020