If your barcode scanner does not work, it can have various causes. Therefore, you can try the following things yourself to solve it:

1. Try to check that the barcode scanner is correctly connected to the computer.
2. Try to connect the scanner directly to the computer and not via a spacer (USB hub). Because a USB Hub may not provide enough power for the barcode scanner to work.
3. If the scanner still does not work, you can reset it by following the next article.

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