NVIDIA nForce AGP Bus Filter (nv_agp) Service Defaults in Windows 7

NForce NT AGP Filter by Microsoft Corporation.

Default Settings

Startup type:Manual
Display name:NVIDIA nForce AGP Bus Filter
Service name:nv_agp
Service type:kernel
Error control:normal
Group:PnP Filter
Path:%SystemRoot%\system32\DRIVERS\nv_agp.sys
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\nv_agp

Default Behavior

NVIDIA nForce AGP Bus Filter is a kernel device driver. In Windows 7 it won't be started if the user doesn't start it. If NVIDIA nForce AGP Bus Filter 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 nv_agp service is not running because of the error.

Restore Default Startup Configuration for NVIDIA nForce AGP Bus Filter

1. Select your Windows 7 edition and service pack, and then click Download.

2. Save the Win7_nvagp_Service_Startup.cmd file to a local storage device.

3. Run the saved file as an administrator.

4. Restart the computer.

The nv_agp service is using the nv_agp.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.