Fixes a problem in which an error occurs after you remove and then reinsert a USB COM port device. This issue occurs in Windows 8.1, Windows Server 2012 R2, Windows 7, or Windows Server 2008 R2.

For general issues within Device Manager, see the following articles: Device Manager does not display devices that are not connected. Update drivers in Windows 10. For issues with specific device types, also see the following articles: Fix sound problems in Windows 10.

Regsvr32 is a command-line utility to register and unregister OLE controls, such as DLLs and ActiveX controls in the Windows Registry. Regsvr32.exe is installed in the %systemroot%\System32 folder in Windows XP and later versions of Windows.

To register or request a repair for your Xbox Series X|S or Xbox One console, you need to know the serial number. You may also need to know the console ID or device ID.

1. Using the buid in " wmic " command: " wmic bios get serialnumber ". Tip: You can use the command " wmic csproduct get name " to retrieve the local computer model. 2. Using a vbs script: On Error Resume Next. Dim strComputer. strComputer = InputBox ("Enter the name of the computer:")

If your Surface isn’t working properly, the Microsoft Surface app and Surface Diagnostic Toolkit can help you find and solve problems. Notes: If your work or school manages your Surface, check with your IT department before running the tool.

Here's a quick way to find the serial number on your Surface (running on Windows 10 or Windows 11): Right-click (or long-press) Start , then select Settings > System > About . On this page, find Windows Specifications, and look for your Serial number. For the Surface Duo: On your Home screen, tap Settings.

Select Start > Settings > Bluetooth & devices > Printers & scanners . Open Printers & scanners settings. Next to Add a printer or scanner, select Add device. Wait for it to find nearby printers, then locate the one you want to use, and select Add device.

Manage your two-factor verification method and settings. Turning two-step verification on or off for your Microsoft account. Set up password reset verification for a work or school account. Install and use the Microsoft Authenticator app. Check that Windows is activated.

1. Check your speaker output. 2. Run the audio troubleshooter. 3. Verify that all Windows Updates are installed. 4. Check your cables, plugs, jacks, volume, speaker, and headphone connections. 5. Check sound settings. 6. Fix your audio drivers. 7. Set your audio device as the default device. 8. Turn off audio enhancements. 9. Restart Audio Services