batcmd.com Windows 7 Services

Serial Port Driver - Windows 7 Service

Serial Device Driver by Microsoft Corporation.

This service also exists in Windows 10, 8, Vista and XP.

Startup Type

Windows 7 edition without SP SP1
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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 driver. If the Serial Port Driver fails to load or initialize, Windows 7 start up proceeds. No warning is displayed, but the error is recorded into the Event Log.

Restore Default Startup Type for Serial Port Driver

Automated Restore

1. Select your Windows 7 edition and Service Pack, and then click on the Download button below.

2. Save the RestoreSerialPortDriverWindows7.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 7 installation media.