It’s only natural to wonder where the COM ports have gone. Thus, you might need to restore missing COM ports so they can configure them via Device Manager.

Why is COM port not detected in Windows 10?

If the COM port isn’t detected, you’ll get a Unable to open serial port message on your PC. This can occur if the software can’t recognize the device you want to connect to the PC. Other ports can also encounter issues, and users reported that USB ports aren’t working on their PC. This is most likely a driver issue, and it can be fixed with a update. Speaking of issues, there are reports that Arduino port isn’t showing up for some users, and this is most likely caused by driver issues, so reinstall or update them.

How can I restore missing COM ports?

1. Select the Show hidden devices option

You can also use dedicated motherboard information software. These can give you precious specs about your motherboard, CPU, BIOS, or memory. They can also detect issues such as the one at hand and help you fix them.

2. Update motherboard drivers

One way to restore missing COM ports in Device Manager is to update antiquated motherboard drivers. You can do that either manually or using a dedicated tool such as DriverFix, which will scan for devices and components that need driver updates. To add this tool to Windows 10, go to the website indicated below and download it for free. After installing and opening DriverFix, it will scan your system. The software will then display a list of antiquated device drivers that it can update. Click the Update button if the scan shows that motherboard drivers need updating.

3. Add COM ports

So those are some of the potential fixes that should restore COM ports in Device Manager. Afterward, you can configure the ports as required. If you used another method to fix this problem, share it with the community using the comments section below. Learn how to master your Windows OS from our extensive tutorials in the Windows 10 Hub. Be prepared to deal with any software-related issue with our Troubleshooting Guides.

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