: Choose USB_BTP-M300_1 or the equivalent USB virtual port.
– The scanner is a HID device but Windows is treating it as a keyboard wedge. Fix – Open Scanner Settings (look for “Honeywell Scanner Config” or “OPOS Setup”). Change the interface from “Keyboard Wedge” to “USB COM” or install the proper OPOS driver. M Mark M300 Driver Download
Unplug the M300 mouse. Step 2: Run the driver installer as Administrator (right-click → Run as administrator). Step 3: Follow the on-screen prompts (usually just "Next" → "Install"). Step 4: Restart your computer when prompted. Step 5: Plug the mouse back in. : Choose USB_BTP-M300_1 or the equivalent USB virtual port