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Troubleshooting
FRITZ!Box Fon WLAN 7570 vDSL
91
10
Troubleshooting
Help for Errors
This chapter provides concrete assistance if you are not able to open the
user interface of your FRITZ!Box, if you are having problems with the
WLAN connection, or if you want to change the IP settings on your com-
puter.
10.1
Errors Opening the User Interface
If an error message is returned when you open the user in-
terface, this can have various causes. Check the possible
causes and attempt to resolve the error.
Restarting the FRITZ!Box
The user interface cannot be opened or does not react.
Inconsistencies within the FRITZ!Box.
1.
Restart the FRITZ!Box.
Remove the power cable from the socket.
2.
Wait about five seconds before reconnecting to the
power supply.
3.
Try again to open the FRITZ!Box user interface by en-
tering
fritz.box
in the address field.
Possible Cause
Remedy
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Checking the Cable Connections
Checking the Cable Connections
The user interface of the FRITZ!Box does not appear in the
window of your web browser.
The cable connections are not secure.
Make sure that all cable connections are plugged in securely.
Check the Name Resolution
The user interface of the FRITZ!Box cannot be opened by
entering
fritz.box
.
The name resolution of the FRITZ!Box does not work.
1.
In the web browser, enter the following IP address in
place of
fritz.box
:
192.168.178.1
2.
If the user interface cannot be reached via this ad-
dress, check the settings configured for your network
adapter as described in section “IP Settings” from
page 102.
Possible Cause
Remedy
Possible Cause
Remedy
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Checking the IP Address
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Checking the IP Address
The user interface of the FRITZ!Box cannot be reached at
the address
fritz.box
nor at
192.168.178.1
.
The IP address set on the connected computer is inapplica-
ble.
Set the network adapter used to DHCP so that the IP ad-
dress can be obtained via the DHCP server of the FRITZ!Box.
Adjust the settings to those described in the section “IP
Settings” from page 102.
Disabling Dial-Up Connections
The user interface is not opened; a window for a dial-up
connection appears instead.
The browser must use the network connection between the
computer and FRITZ!Box when the user interface is opened.
For this the automatic establishment of a Dial-Up Network-
ing connection must be disabled.
You can disable the automatic attempt to establish a Dial-
Up Networking connection. The following example explains
how to check the settings of Internet Explorer 6:
1.
Select the “Connections” settings page under “Tools /
Internet Options...”.
2.
In the “Dial-up and Virtual Private Network settings”
section, enable the option “Never dial a connection”.
3.
As a final step, click “OK”.
Possible Cause
Remedy
Possible Cause
Remedy
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Disabling Online Operation
Disabling Online Operation
The user interface does not appear in the window of your
web browser.
The web browser is set for offline operation.
Configure the web browser for online operation. Using the
example of Internet Explorer 6:
1.
Open the “File” menu.
2.
If a checkmark is displayed in front of “Work Offline”,
click this line.
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 in-
terface 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.
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, and in the next window, click
the “Advanced...” button in the “Proxy server” area.
Possible Cause
Remedy
Possible Cause
Remedy
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Checking the CGI Settings
FRITZ!Box Fon WLAN 7570 vDSL
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3.
Under “Exceptions” enter: “fritz.box; 192.168.178.1;
169.254.1.1” and click “OK”.
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 6:
1.
Select “Tools / Internet Options... / Security”.
2.
If the “Default Level” button is not available for selec-
tion, the “Medium” 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
available for selection:
4.
Select the “Local Intranet” icon and click the “Sites...”
button.
5.
In the next window, click the “Advanced...” button and
enter in the “Add this Web site to the zone:” field:
fritz.box
6.
Disable the option “Require server verification (https:)
for all sites in this zone”.
Possible Cause
Remedy

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