I8042 Keyboard and PS/2 Mouse Port Driver (i8042prt) Service Defaults in Windows 11
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 driver. In Windows 11 it starts only if the user, an application or another service starts it. If I8042 Keyboard and PS/2 Mouse Port Driver fails to start, the failure details will be recorded into Event Log. Then Windows 11 should boot up and notify the user about the i8042prt service startup failure.
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 11 installation media.