FRITZ!Box 6490 Serwis - Baza wiedzy

FRITZ!Box 6490 Serwis
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Cannot access the Internet when the FRITZ!Box is used with a cable connection

Although the FRITZ!Box is connected to the cable connection and it was configured to access the Internet using cable, you cannot access the Internet with connected network devices (for example computers, smartphones).

Important:Some of the settings described here are only displayed if the advanced view is enabled in the user interface.

Simply proceed as described below. After each measure, check whether the issue persists.

1 Checking whether the "Power" LED flashes

2 Checking the event log of the FRITZ!Box

  1. Click "System" in the FRITZ!Box user interface.
  2. Click "Event Log" in the "System" menu.
  3. Click on the "Internet Connection" tab.
  4. Check whether error messages are displayed. 
    • If the message "Internet connection failed: Reason for error: 2 (DHCPv4 no answer on DISCOVER)" is displayed:
      • Contact your cable provider for a solution.
    • If the message "Cable Internet not responding (no synchronization)" is displayed often (several times a day):

3 Enabling the FRITZ!Box's DHCP server

The FRITZ!Box is configured as a DHCP server in the factory settings. If you disabled the FRITZ!Box's DHCP server, configure the following settings:

  1. Click "Home Network" in the FRITZ!Box user interface.
  2. Click "Home Network Overview" in the "Home Network" menu.
  3. Click on the "Network Settings" tab.
  4. Click the "IPv4 Addresses" button.
  5. Enable the DHCP server and define the range from which the FRITZ!Box assigns IP addresses.

    Note:The FRITZ!Box uses the IP address 192.168.178.1 (subnet mask 255.255.255.0) and assigns IP addresses from xxx.20 to xxx.200 in the factory settings.

  6. Click "OK" to save the settings.

4 Configuring a network device as a DHCP client

5 Configuring the Internet Explorer

The following step is only necessary if you are using Microsoft Internet Explorer and it displays the error message "Web page unavailable while offline":

  1. Start the Internet Explorer.
  2. Open the "Tools" menu.
  3. If the menu "Work Offline" entry is displayed and there is a checkmark in front of it, click this entry to remove the checkmark.
  4. Click the "Internet Options" menu entry and then "Connections".
  5. Enable the option "Never dial a connection".
  6. Click "OK" to save the settings.

6 Contacting your provider

  • Contact your Internet service provider for a solution.