FRITZ!Box 4020 Serwis - Baza wiedzy

FRITZ!Box 4020 Serwis

Cannot access the Internet with Windows over wireless connection

A Windows computer cannot use the FRITZ!Box's Internet connection. The computer is connected to the FRITZ!Box over wireless LAN (WiFi) and can access the FRITZ!Box user interface.

One or more of the following error messages is displayed in the "Network and Sharing Center" of the Windows computer:

  • "Access: Local only"
  • "Access type: No Internet access"
  • "Unidentified Network"

Note:The configuration procedure and notes on functions given in this guide refer to the latest FRITZ!OS for your FRITZ!Box.

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

1 Checking the FRITZ!Box's Internet connection

  • Check whether other wireless devices such as smartphones, game consoles or tablets or devices connected over LAN can use the Internet connection.
    • If other network devices can access the Internet:
      • Proceed with the following section.
    • If none of the other network devices can access the Internet either:

2 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:

Important:If the FRITZ!Box uses the Internet connection of another router, then the FRITZ!Box's DHCP server is disabled. In this case the upstream router must assign the necessary IP settings to the network devices.

  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.

3 Configuring a network device as a DHCP client

4 Installing the latest driver for the wireless network adapter

  • Install the latest driver for the wireless network adapter.

    Note:Should you have questions, consult the manufacturer of the wireless network adapter.
    You can find the latest drivers for the FRITZ!WLAN Sticks in our download area.

5 Configuring the computer's firewall

A firewall on your computer is preventing the computer from obtaining its IP settings from the DHCP server:

  • Configure the firewall so that it allows connections from the computer to the FRITZ!Box.

    Note:You can find information on configuring the firewall in its manual, or consult its manufacturer directly.