AMD AGP Bus Filter Driver (amdagp) Service Defaults in Windows 10

AMD NT AGP Filter by Microsoft Corporation.

The AMD AGP Bus Filter Driver service exists only in:

Default Settings

Startup type: Manual
Display name:AMD AGP Bus Filter Driver
Service name:amdagp
Service type:kernel
Error control:normal
Group:PnP Filter
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\amdagp

Default Behavior

AMD AGP Bus Filter Driver is a kernel device driver. In Windows 10 it is starting only if the user, an application or another service starts it. If AMD AGP Bus Filter Driver fails to start, the failure details are being recorded into Event Log. Then Windows 10 will start up and notify the user that the amdagp service has failed to start due to the error.

Restore Default Startup Configuration of AMD AGP Bus Filter 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 amdagp start= demand

3. Close the command window and restart the computer.

The amdagp service is using the amdagp.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 10 installation media.