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Dokument informacyjny #373
FRITZ!WLAN Stick AC 430 MU-MIMO
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FRITZ!WLAN Stick is not detected automatically when connected to a USB port

The FRITZ!WLAN Stick is not detected by the USB port on the computer or it is displayed as an "unknown device" (marked with a question mark) in the computer's Device Manager. Installation of the FRITZ!WLAN Stick does not start automatically.

Simply proceed as described below. After each measure, check whether the problem is solved.

1 Checking the driver installation

  1. Remove the FRITZ!WLAN Stick from the USB port on your computer and then reconnect it.
  2. Click the search symbol in the Windows task bar.
  3. Enter Device Manager in the search box and press Enter.
  4. Check how the FRITZ!WLAN Stick is displayed under the device class "Network adapters":
  5. If the FRITZ!WLAN Stick is displayed with a red cross:
    1. Right-click the entry and select "Properties".
    2. Under "Device usage", select "Use this device (enable)".
    3. Click "OK".
    • If FRITZ!WLAN Stick is displayed with a yellow exclamation point:
      1. Right-click the entry and select "Uninstall" or "Remove".
      2. Click "OK" and follow the instructions.
      3. Restart your computer and reinstall the FRITZ!WLAN Stick.
    • If the FRITZ!WLAN Stick is displayed with a black arrow pointing downwards:
      1. Right-click the entry and select "Activate".
      2. Click "OK".
    • If the FRITZ!WLAN Stick is not listed:
      1. Check whether the entry "WLAN USB Device" is displayed under the device class "Other Devices".
      2. If this entry exists, right-click "WLAN USB Device", select "Uninstall > OK", and follow the instructions.
      3. Restart your computer and reinstall the FRITZ!WLAN Stick.

2 Connecting the FRITZ!WLAN Stick without a USB hub

The following step is only necessary if you connected the FRITZ!WLAN Stick to a USB hub (USB distributor) instead of directly to the USB port on your computer:

Note:The FRITZ!WLAN Stick can be used with many USB hubs that support at least USB 2.0. However, AVM cannot guarantee that USB hubs will work correctly.

  1. Remove the USB hub from the computer for testing purposes.
  2. Connect the FRITZ!WLAN Stick directly to the USB port on the computer.

3 Checking the USB port

Installing the latest chipset drivers for your computer

  1. On the computer, install the latest chipset drivers for the mainboard. You can find the latest drivers on the website of the mainboard or chipset manufacturer.

    Note:The chipset is a part of the mainboard that computer components are attached or connected to.

Testing a different USB device

  1. If the FRITZ!WLAN Stick is still not detected, check whether other USB devices (for example a USB printer) are detected when you connect them to the same USB port on the computer:
    • If other USB devices are also not detected, the computer's USB port may be defective.

4 Testing on a different computer

  1. Install the FRITZ!WLAN Stick on a different computer and check whether the same error also occurs with that computer.
  2. If the error does not occur with the other computer, consult the manufacturer of the first computer. There is no error on the part of the FRITZ!WLAN Stick.
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