Parallel port driver (Parport) Service Defaults in Windows 7

Parallel Port Driver by Microsoft Corporation.

Default Settings

Startup type: Manual
Display name:Parallel port driver
Service name:Parport
Service type:kernel
Error control:ignore
Group:Parallel arbitrator
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Parport

Default Behavior

Parallel port driver is a kernel device driver. In Windows 7 it won't be started if the user doesn't start it. If Parallel port driver fails to load or initialize, Windows 7 startup continues without error messages. The failure details are being written into Event Log.


If Parallel port driver is stopped, the Parvdm service fails to start and initialize.

Restore Default Startup Configuration of Parallel port driver

1. Run the Command Prompt as an administrator.

2. Copy the command below, paste it into the command window and press ENTER:

sc config Parport start= demand

3. Close the command window and restart the computer.

The Parport service is using the parport.sys file that is located in the C:\Windows\system32\DRIVERS directory. If the file is removed or corrupted, read this article to restore its original version from Windows 7 installation media.