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 of 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 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.