Wireless LAN Connection Interrupted
FRITZ!Box 4020 117
3. Select “WLAN / Security”.
4. Take note of the network key or click “Apply” and print
out the wireless LAN security settings.
22.3 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.
Positioning the FRITZ!Box and Wireless Devices
Correctly
Often all that is needed is to position the FRITZ!Box and wire-
less devices in different locations to improve the wireless LAN
connection:
• Do not set up the FRITZ!Box in the corner of a room.
• Do not set up the FRITZ!Box directly next to or beneath
an obstacle or a metal object (like a cabinet or radiator).
• Position the FRITZ!Box and your wireless devices so that
there are as few obstacles between them as possible.
Configuring Automatic Radio Channel Selection
Configure automatic selection of the radio channel in the
FRITZ!Box. Then the FRITZ!Box will automatically select a ra-
dio channel with as little interference as possible.
1. Open the FRITZ!Box user interface; see page 24.
2. Select “WLAN / Radio Channel”.
3. Enable the option “Set radio channel settings automati-
cally (recommended)”.
4. Click “Apply”.
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