Serial port driver - Windows 10 Service
Serial Device Driver by Microsoft Corporation.
This service also exists in Windows 7, 8, Vista and XP.
Startup Type
| Windows 10 version | Home | Pro | Education | Enterprise |
|---|---|---|---|---|
| 1507 | Manual | Manual | Manual | Manual |
| 1511 | Manual | Manual | Manual | Manual |
| 1607 | Manual | Manual | Manual | Manual |
| 1703 | Manual | Manual | Manual | Manual |
| 1709 | Manual | Manual | Manual | Manual |
| 1803 | Manual | Manual | Manual | Manual |
| 1809 | Manual | Manual | Manual | Manual |
| 1903 | Manual | Manual | Manual | Manual |
| 1909 | Manual | Manual | Manual | Manual |
| 2004 | Manual | Manual | Manual | Manual |
| 20H2 | Manual | Manual | Manual | Manual |
| 21H1 | Manual | Manual | Manual | Manual |
| 21H2 | Manual | Manual | Manual | Manual |
| 22H2 | Manual | Manual | Manual | Manual |
Default Properties
| Display name: | Serial port driver |
| Service name: | Serial |
| Type: | kernel |
| Path: | %WinDir%\System32\drivers\serial.sys |
| Error control: | ignore |
| Group: | Extended base |
Default Behavior
The Serial port driver service is a kernel mode driver. If Serial port driver fails to load or initialize, Windows 10 start up proceeds. No warning is displayed, but the error is recorded into the Event Log.
Restore Default Startup Type of Serial port driver
Automated Restore
1. Select your Windows 10 edition and release, and then click on the Download button below.
2. Save the RestoreSerialportdriverWindows10.bat file to any folder on your hard drive.
3. Right-click the downloaded batch file and select Run as administrator.
4. Restart the computer to save changes.
Note. Make sure that the serial.sys file exists in the %WinDir%\System32\drivers folder. If this file is missing you can try to restore it from your Windows 10 installation media.