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The User Interface Does Not Open
121
The checkmark will be removed and Internet Explorer will
switch to online operation.
Checking the Proxy Settings
The user interface does not appear in the window of your web
browser.
The proxy settings of the web browser prevent the user inter-
face from being opened.
Enter the DNS name and the IP address of the FRITZ!Box as an
exception in the proxy settings of the web browser, as
described here for the example of the Internet Explorer 8.
1.
Select the “Connections” settings page under “Tools /
Internet Options”.
2.
Click the “LAN settings” button in the “Local Area Net-
work (LAN) settings” area.
3.
In the “Proxy server” area of the next window, check the
“Use a proxy server for your LAN” option and then click
“Advanced”.
4.
Enter as “Exceptions”:
fritz.box
; 192.168.178.1; 169.254.1.1
and click “OK”.
Cause
Help
Page 122 / 180
122
The User Interface Does Not Open
Checking the CGI Settings
The user interface does not appear in the window of your web
browser.
The execution of CGI scripts is disabled in the web browser.
Configure the web browser so that the execution of scripts is
allowed in the user interface. Using the example of the
Internet Explorer 8:
1.
Select the “Security” settings page under “Tools / Inter-
net Options”.
2.
If the “Default level” button is not available for selec-
tion, the “Medium-low” security level is already config-
ured, which means that CGI scripts can be executed in
the Internet browser.
3.
Proceed as follows if the “Default level” button is avail-
able for selection:
4.
Select the “Local intranet” icon and click the “Sites” but-
ton.
5.
In the next window, click the “Advanced” button and en-
ter in the “Add this website to the zone:” field:
fritz.box
Click “Add”.
6.
Disable the “Require server verification (https:) for all
sites in this zone” option and click “Close”.
Checking Security Software
The user interface cannot be displayed in the web browser.
Security software is blocking access to the user interface.
Cause
Help
Cause
Help
Page 123 / 180
The User Interface Does Not Open
123
Security software like firewalls can prevent access to the user
interface of the FRITZ!Box. Configure exceptions for the
FRITZ!Box in all of the enabled security software.
Opening the User Interface of the FRITZ!Box
The FRITZ!Box is equipped with a fixed IP address that cannot
be changed. FRITZ!Box always can be reached at this IP ad-
dress. This fixed IP address is:
Proceed as follows to open the FRITZ!Box user interface using
this IP address:
1.
Connect the FRITZ!Box to the computer using the net-
work cable (yellow). For more information, see the sec-
tion
Connecting Computers to the LAN Port from page
23
.
2.
Make sure that the computer obtains its IP address auto-
matically. You can check this setting in the computer’s IP
settings (see section
Obtaining an IP Address Automati-
cally from page 101
).
3.
Restart your computer.
4.
Start your Internet browser and enter the FRITZ!Box’s
fixed IP address:
169.254.1.1
The FRITZ!Box user interface opens.
If you would like to exit security software to test access to the
FRITZ!Box, remove the DSL cable first. After testing, first start
the security software before reinserting the DSL cable and
connecting to the Internet!
Fixed IP address
169.254.1.1
Once you have reached the FRITZ!Box user interface again,
you should check the FRITZ!Box settings and correct them if
necessary.
Page 124 / 180
124
Cannot Establish a WLAN Connection
18.3
Cannot Establish a WLAN Connection
If you are not able to establish a WLAN connection between
your computer and the FRITZ!Box, then please undertake the
following measures to seek the source of the error and re-
solve it.
Enabling the WLAN Device
The WLAN device cannot find a wireless network.
The WLAN device is not ready for operation.
Make sure that the WLAN device is ready for operation. Some
of the WLAN devices installed in notebooks must be activated
by flipping a switch on the notebook.
Enabling WLAN
The wireless network of the FRITZ!Box is not found by the
WLAN device.
WLAN is not enabled in the FRITZ!Box. If the “WLAN” LED on
the FRITZ!Box is not lit up or is flashing, this means that WLAN
is not enabled.
Press the WLAN button on the FRITZ!Box. The “WLAN” LED
begins flashing and then lights constantly. This means that
the WLAN function is enabled.
Cause
Help
For questions on the WLAN device of your computer, please
contact the manufacturer.
Cause
Help
Page 125 / 180
Cannot Establish a WLAN Connection
125
Announcing the Name of the Radio Network
The WLAN device cannot find the wireless network of the
FRITZ!Box.
The name of the wireless network of the FRITZ!Box is con-
cealed.
In the WLAN settings of the FRITZ!Box, enable the “Name of
the radio network visible” option.
1.
Connect the FRITZ!Box to a computer using a network ca-
ble, as described in the section
Connecting Computers
to the LAN Port on page 23
.
2.
Start a web browser.
3.
Enter
fritz.box
in the address field.
4.
Click the “Interfaces” area on the “Overview” page and
select “WLAN”, or open the “WLAN” menu in the naviga-
tion bar on the left.
5.
In the “Radio Network” page, enable the option “Name
of the radio network visible”.
6.
Click the “Apply” button at the bottom of the page.
7.
Remove the network cable and try again to establish a
connection via WLAN.
Comparing the Security Settings for WLAN
Make sure that the WLAN security settings registered in the
FRITZ!Box agree with the security settings of the WLAN adap-
ter.
Here is how to view the WLAN security settings of the
FRITZ!Box and print them out.
1.
Connect the FRITZ!Box to a computer using a network ca-
ble. Proceed as described in the section
Connecting
Computers to the LAN Port from page 23
.
2.
Start a web browser.
Cause
Help

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