AVM FRITZ-Box-Fon-WLAN-7570 Router Manual PDF (Setup & Configuration Guide)

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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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FRITZ!Box Fon WLAN 7570 vDSL

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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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93

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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FRITZ!Box Fon WLAN 7570 vDSL

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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

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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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