FRITZ WLAN 7490 Router Manual PDF (Setup & Configuration Guide)

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The User Interface Does Not Open

FRITZ!Box 7490

161

24.2

The User Interface Does Not Open

If the FRITZ!Box user interface cannot be opened, this can

have various causes.

Work through the following steps in sequence until the error

has been resolved.

Entering http://fritz.box in the Web Browser

Enter

http://fritz.box

in the web browser instead of

fritz.box

.

Google Chrome, for instance, performs a Google search if the

address of the FRITZ!Box is not known and entered incom-

pletely.

Restarting the FRITZ!Box

1.

Disconnect the FRITZ!Box from the power supply.

2.

Wait about five seconds before reconnecting to the pow-

er supply.

3.

Wait until the LEDs “Power / DSL” and “WLAN” (only if

wireless LAN is switched on) light up.

The FRITZ!Box is ready for operation again.

Clearing the Cache of Your Web Browser

If the web browser shows only an empty, white page, empty

the cache:

Firefox

1.

Click the Menu button and select “History / Clear Recent

History...”.

Or click “History” in the menu bar and select “Clear Re-

cent History...”.

2.

In the “Clear Recent History” dialog, select “Everything”,

and under “Details”, check only the “Cache” option.

3.

Click “Clear Now”.

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FRITZ!Box 7490

162

The User Interface Does Not Open

Internet Explorer

1.

Click the “Tools” button and select “Internet options”.

2.

On the “General” tab, click the “Delete...” button in the

“Browsing history” area.

3.

Enable the “Temporary Internet files and website files”

option and click “Delete”.

Google Chrome

1.

Open the Chrome menu (“Customize and Control Google

Chrome” button) and select “History / Clear browsing

data...”.

2.

Select “the beginning of time”, and below it only the op-

tion “Cached images and files”.

3.

Click “Clear browsing data”.

Other Web Browsers

If you use a different web browser, see the Help for your

browser for instructions on how to clear the cache.

Checking the Proxy Settings of the Web Browser

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.

Firefox

1.

Click the Menu button and select “Options”.

Or click “Tools” in the menu bar and select “Options”.

2.

Select “Advanced / Network”.

3.

Under “Connection”, click the “Settings...” button.

4.

If the option “Manual proxy configuration:” is enabled,

enter “fritz.box” in the “No Proxy for:” field and then

click “OK”.

If the manual proxy configuration is not enabled, click

“Cancel”.

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The User Interface Does Not Open

FRITZ!Box 7490

163

Internet Explorer

1.

Click the “Tools” button and select “Internet options”.

2.

Switch to the “Connections” tab and click the “LAN set-

tings” button.

3.

If the “Use a proxy server for your LAN” option is en-

abled, click the “Advanced” button. Under “Exceptions”

enter the address “fritz.box” and click “OK”.

If no proxy server is used, click “Cancel”.

Google Chrome

Check whether the use of a proxy server is enabled. If so, en-

ter “fritz.box” as an exception in the proxy server settings.

Google Chrome uses the proxy settings of your operating sys-

tem (Windows or Mac OS). For more information, go to Google

Chrome Help and enter the keyword “network settings”.

Other Web Browsers

Check whether the use of a proxy server is enabled. If so, en-

ter “fritz.box” as an exception in the proxy server settings.

For more information on the proxy settings, see the Help for

your web browser.

Configuring the Computer’s Network Adapter

On your computer, enable the setting “Obtain an IP Address

Automatically” for the network adapter used to connect to the

FRITZ!Box. For instructions, see

page 145

.

Opening the User Interface Using an Emergency IP

Address

The FRITZ!Box has an “emergency IP address” (169.254.1.1)

at which it can always be reached. You can use this IP ad-

dress as follows:

1.

Connect your computer to the “LAN 2” port of the

FRITZ!Box using a LAN cable.

2.

If your computer is already connected with the FRITZ!Box

over wireless LAN, clear the wireless connection.

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FRITZ!Box 7490

164

Cannot Establish a Wireless LAN Connection

3.

Make sure that the computer obtains its IP address auto-

matically; see

page 145

.

4.

Clear all other connections between your FRITZ!Box and

other network devices.

5.

In the web browser, enter the address

169.254.1.1

.

6.

When the FRITZ!Box user interface is displayed, enable

the DHCP server of the FRITZ!Box:

In the user interface, select “Home Network / Network /

Network Settings”. Click the “IPv4 Addresses” button,

enable the option “Enable DHCP server” and click “OK”.

24.3

Cannot Establish a Wireless LAN Connection

If you cannot establish a wireless LAN connection between

your computer and the FRITZ!Box, this may be due to a variety

of causes.

Work through the following steps in sequence until the error

has been resolved.

Switching On the Computer’s Wireless LAN Adapter

The wireless LAN adapter in your computer must be ready for

operation. On many notebooks the built-in wireless LAN

adapter can be switched on by pushing a button or entering a

key combination.

For more information, see the manual of your computer.

Enabling the Wireless Radio Network of the FRITZ!Box

When the “WLAN” LED is off, press the “WLAN” button on the

FRITZ!Box. Hold it down until the “WLAN” begins flashing.

The wireless network is switched on and the “WLAN” LED

lights up.

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Wireless LAN Connection Interrupted

FRITZ!Box 7490

165

Announcing the Name of the Wireless Radio Network

If the wireless LAN software on your computer cannot find the

wireless radio network of the FRITZ!Box, make the following

setting in the FRITZ!Box:

1.

Connect a computer to the FRITZ!Box with a network ca-

ble; see

page 26

.

2.

Open the FRITZ!Box user interface, see

page 32

.

3.

Select “WLAN / Radio Network”.

4.

Enable the option “Name of the radio network visible”.

5.

Click “Apply”.

6.

Remove the network cable and establish a connection

via wireless LAN.

Entering the Correct Network Key

If you establish the wireless connection manually, enter the

correct network key, which is found in the user interface of

your FRITZ!Box:

1.

Connect a computer to the FRITZ!Box with a network ca-

ble; see

page 26

.

2.

Open the FRITZ!Box user interface, see

page 32

.

3.

Select “WLAN / Security”.

4.

Take note of the network key or click “Apply” and print

out the wireless LAN security settings.

24.4

Wireless LAN Connection Interrupted

If the wireless LAN connection between your computer and

the FRITZ!Box is disrupted, this may be due to a variety of

causes. Work through the following steps in sequence until

the error has been resolved.

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