Windows 11 Unable to find USB Serial Port (Ports COM & LPT) in Device Manager Windows 11

  • Thread starter Thread starter Helle B
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Helle B

After updating to Windows 11 I can no longer get the serial port in Ports COM & LPT from the Device Manager.When I select Device Manager nothing shows up, I cannot see Ports COM & LPT.These are the steps I have tried:IN DEVICE MANAGERView: Show hidden devices in Device Manager (nothing happens)Scan for hardware changesAction: Add legacy hardware. Used both search recommended and add manually. When trying to add Communication Port: "Windows cannot determine the settings from this device". Does not work and have a yellow warning sign. When adding legacy hardware next time it is uninstall

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