How to fix missing COM ports in Device Manager

Matthew Adams
by Matthew Adams
Loading Comments
Affiliate Disclosure

Device Manager usually lists COM ports for desktops. However, those COM ports can sometimes disappear from the Device Manager window after users upgrade their Windows platforms. Users then wonder where their COM ports have gone. Thus, some users need to restore missing COM ports so they can configure them via Device Manager.

How can Users Restore Missing COM Ports?

1. Select the Show Hidden Devices Option

  1. First, try selecting the Show hidden devices option. Open the Win + X menu with the Windows key + X keyboard shortcut.
  2. Click the Device Manager option on that menu.
  3. Then click the View menu in Device Manager.
  4. Select the Show hidden devices option.

Show hidden devices option device manager add com port

2. Add COM Ports

  1. Some users have restored missing COM ports by selecting the Add legacy hardware option to add COM ports. To do that, open Device Manager in Windows.
  2. Click the Action menu.
  3. Select Add legacy hardware to open the window shown directly below.Add Hardware window device manager add com port
  4. Press the Next button on that window.The Install the hardware option device manager add com port
  5. Select the Install the hardware that I manually select from a list radio button.
  6. Click the Next button to open a list of hardware to add.Hardware types list device manager add com port
  7. Then select Ports (COM & LPT) on the list, and press the Next button.
  8. Select the manufacturer for the ports or the Standard port types option, and click the Next button.
  9. Press the Finish button.

3. Update Motherboard Drivers

Some users might need to update antiquated motherboard drivers to restore missing COM ports in Device Manager. Users can do that manually or with Driver Booster 7, which will scan for devices and components that need driver updates. To add DB 7 to Windows, click Free Download on the Driver Booster 7’s page.

After installing and opening Driver Booster 7, it will scan when launched. The software will then display a list of antiquated device drivers that it can update. Click the Update Now button if the scan shows that motherboard drivers need updating.

Driver Booster 7 device manager add com port

Read also: How to update drivers in Windows 10: Use these 4 methods

Those are some of the potential fixes that might restore COM ports in Device Manager. Then users can configure their COM ports as required.