I8042 Keyboard and PS/2 Mouse Port Driver (i8042prt) Service Defaults in Windows 7

i8042 Port Driver by Microsoft Corporation.

Default Settings

Startup type:Manual
Display name:I8042 Keyboard and PS/2 Mouse Port Driver
Service name:i8042prt
Service type:kernel
Error control:normal
Group:Keyboard Port
Path:%SystemRoot%\system32\DRIVERS\i8042prt.sys
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\i8042prt

Default Behavior

I8042 Keyboard and PS/2 Mouse Port Driver is a kernel device driver. In Windows 7 it won't be started if the user doesn't start it. If I8042 Keyboard and PS/2 Mouse Port Driver fails to start, Windows 7 attempts to write the failure details into Event Log. Then Windows 7 startup should proceed and the user should be notified that the i8042prt service is not running because of the error.

Restore Default Startup Configuration for I8042 Keyboard and PS/2 Mouse 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 i8042prt start= demand

3. Close the command window and restart the computer.

The i8042prt service is using the i8042prt.sys file that is located in the %WinDir%\system32\DRIVERS folder. If the file is changed, damaged or deleted, you can restore its original version from Windows 7 installation media.