Microsoft GPIO Class Extension Driver (GPIOClx0101) Service Defaults in Windows 11
Default Settings
| Startup type: | Manual |
| Display name: | Microsoft GPIO Class Extension Driver |
| Service name: | GPIOClx0101 |
| Service type: | kernel |
| Error control: | critical |
| Group: | System Bus Extender |
| Path: | %SystemRoot%\System32\Drivers\msgpioclx.sys |
| Registry key: | HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\GPIOClx0101 |
Default Behavior
Microsoft GPIO Class Extension Driver is a kernel driver. In Windows 11 it starts only if the user, an application or another service starts it. If Microsoft GPIO Class Extension Driver fails to start, Windows 11 tries to record the error details into Event Log and restart the PC, using the Last Known Good configuration. If the Last Known Good configuration can't be used, Windows 11 startup process halts with a Stop error. If you disable or delete the GPIOClx0101 service, Windows 11 won't start.
Dependencies
Microsoft GPIO Class Extension Driver cannot be started, if the Microsoft ACPIEx Driver service won't start.
Restore Default Startup Configuration of Microsoft GPIO Class Extension Driver
Before you begin doing this, make sure that all the services on which Microsoft GPIO Class Extension Driver depends are configured by default and function properly. See the list of dependencies above.1. Run the Command Prompt as an administrator.
2. Copy the command below, paste it into the command window and press ENTER:
sc config GPIOClx0101 start= demand
3. Close the command window and restart the computer.
The GPIOClx0101 service is using the msgpioclx.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.