How to Fix a Barcode Scanner That Is Not Entering Data Into Your POS System on Windows

Summary

This guide helps you troubleshoot and resolve: How to Fix a Barcode Scanner That Is Not Entering Data Into Your POS System on Windows. Follow the steps below to fix the issue.

Common Causes

If your barcode scanner is powered on but not entering data into your Windows-based point-of-sale (POS) system, the issue is usually related to USB connectivity, driver configuration, or the scanner not being in the correct keyboard emulation mode. This guide walks you through the most common fixes so you can get back to processing sales quickly.

Quick Fix Steps

1. Disconnect the barcode scanner from your Windows PC and reconnect it to a different USB port.
2. Restart your POS application to refresh the input focus.
3. Scan a barcode into a plain text editor such as Notepad to confirm the scanner is outputting data.
4. Restart your computer to reset USB controller states.

Detailed Instructions

1. Verify the Scanner Is Sending Data

1. Open Start and type Notepad, then press Enter.
2. Click inside the Notepad window so it has focus.
3. Scan a barcode.
4. If text appears in Notepad, the scanner is working and the issue is likely with your POS software configuration.
5. If nothing appears, proceed to the connection and driver checks below.

2. Check the USB Connection

1. Unplug the scanner from the USB port.
2. Inspect the cable and port for visible damage or debris.
3. Plug the scanner into a different USB port, preferably one directly on the computer rather than through a USB hub.
4. Wait for Windows to install the device. You should see a notification near the system clock.

3. Confirm Device Recognition in Windows

1. Right-click Start and select Device Manager.
2. Expand Keyboards and Universal Serial Bus controllers.
3. Look for your scanner model or an entry such as USB Input Device.
4. If you see a yellow warning triangle, right-click the device and select Update driver > Search automatically for drivers.

4. Check Scanner Mode and Prefix/Suffix Settings

Most USB barcode scanners operate in USB Keyboard (HID) mode by default, meaning they type scanned barcodes as if they were keystrokes. Some POS systems require the scanner to send an Enter or Tab after each scan so the cursor moves to the next field.

1. Refer to your scanner's user manual for the specific setup barcode labels.
2. Scan the USB Keyboard Mode or Keyboard Emulation barcode if available.
3. Scan the Add Enter/Suffix or CR/LF barcode if your POS system requires it to confirm each entry.
4. Test scanning again in your POS application.

5. Test in Another Application

1. Open a web browser and navigate to a search page, or open Microsoft Excel.
2. Click into a search box or cell.
3. Scan a barcode.
4. If the barcode appears in another program but not your POS system, contact your POS software vendor for configuration support.

Still Having Issues?