Windows 10: USB serial missing

After a win 10 upgrade my com ports vanished. How do I get them back?

Computer is a Dell Laptop R17 5720

OS is Windows 10 pro Version 10.0.18363 Build 18363

Intel 7 c216 USB chipset


USB Serial converter does not show in device manager show hidden selected

Updating all drivers did not fix it

Trying to install generic results in configuration errors

New OS install did not fix it

All other USB functions seem to work.

Any help would be appreciated.

:)

 

Windows 10 serial on OEM


So I'll summarize steps made...

1. Saved serial number (taken with Belarc Advisory) from preinstalled (half chinese language) Windows 8.1 (don't know exactly the version, suspect Windows 8.1 with bing) on tablet
2. Formatted tablet
3. Tried to make a clean Windows 10 (HOME, HOME N and also PRO, everytime with the same result) install with ISO taken with MediaCreationTool, during install (and also after completing installation) it says that the saved serial is not valid
4. Tried to reinstall Windows 8.1 (ISO taken with MediaCreationTool again) HOME, it says that the serial is not valid

So i suspect that the saved serial, is from a WINDOWS 8.1 WITH BING OEM version and this kind of ISO is not accessible/downloadable anywhere (at least I can't find it, any suggestion?)

Still not tried SHOWKEY with that serial, I am in office now, and the serial is saved on a usb pen at home, will try this evening.

So I'm stucked but if everything is like I suspect, it's incredible. If I have a tablet/notebook/netbook with Windows 8 preinstalled, it seems that I can update to Windows 10 without problems, but if I want to make a clean Windows 10 install that serial is not valid...

 

When starting computer Renesas USB 3.0 eXtensible Host Controller - 0.96 (Microsoft) and USB 3.0 root hub missing from device manager

Hi,

Since you've mentioned that the USB 3.0 doesn't appear in the Device Manager window. We recommend that you check the BIOS settings your device if the USB 3.0 is enabled. If you've already checked the BIOS settings and found out that it is enabled, we suggest
that you follow these steps:

• Open Device Manager.
• Under the View tab, click Show hidden devices.
• Check Universal Serial Bus controllers if it will show the missing items.

This will show all the hidden devices under Device Manager.

We'll be waiting for your response.

 

windows problems with usb mic

Hi Dave,

Thank you for posting your query in Microsoft Community.

I suggest you to run the Hardware Troubleshooter by following the steps provided below and check if the issue persists.

Method 1:

• 
  Type “Troubleshooting” on the search bar.
  
• 
  Click on troubleshooting, then click on “Hardware and sound”.
  
• 
  Under Hardware and sound, click on “hardware and devices”.
  
• 
  A pop-up will appear, click on the “Next” button and your hardware troubleshooting will start.
  

Method 2: Disable and re-enable all the
Universal Serial Bus controllers (USB) controllers.

The USB controllers represent the USB ports in Device Manager.

To disable and re-enable the USB controllers, follow these steps:

• 
  Press Windows key + X, Click on
  Device Manager.
  
• 
  Expand Universal Serial Bus controllers.
  

• 
  Right-click the first USB controller under Universal Serial Bus controllers, and then click
  Uninstall to remove it.
  
• 
  Repeat the above step for each USB controller that is listed under Universal Serial Bus controllers.
  
• 
  Restart the computer. After the computer starts, Windows will automatically scan for hardware changes and reinstall all the USB controllers that you uninstalled.
  

Regards.