NvAPI Status Values All NvAPI functions return one of these codes.
Enumerator |
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NVAPI_OK |
Success. Request is completed.
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NVAPI_ERROR |
Generic error.
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NVAPI_LIBRARY_NOT_FOUND |
NVAPI support library cannot be loaded.
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NVAPI_NO_IMPLEMENTATION |
not implemented in current driver installation
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NVAPI_API_NOT_INITIALIZED |
NvAPI_Initialize has not been called (successfully)
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NVAPI_INVALID_ARGUMENT |
The argument/parameter value is not valid or NULL.
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NVAPI_NVIDIA_DEVICE_NOT_FOUND |
No NVIDIA display driver, or NVIDIA GPU driving a display, was found.
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NVAPI_END_ENUMERATION |
No more items to enumerate.
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NVAPI_INVALID_HANDLE |
Invalid handle.
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NVAPI_INCOMPATIBLE_STRUCT_VERSION |
An argument's structure version is not supported.
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NVAPI_HANDLE_INVALIDATED |
The handle is no longer valid (likely due to GPU or display re-configuration)
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NVAPI_OPENGL_CONTEXT_NOT_CURRENT |
No NVIDIA OpenGL context is current (but needs to be)
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NVAPI_INVALID_POINTER |
An invalid pointer, usually NULL, was passed as a parameter.
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NVAPI_NO_GL_EXPERT |
OpenGL Expert is not supported by the current drivers.
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NVAPI_INSTRUMENTATION_DISABLED |
OpenGL Expert is supported, but driver instrumentation is currently disabled.
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NVAPI_NO_GL_NSIGHT |
OpenGL does not support Nsight.
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NVAPI_EXPECTED_LOGICAL_GPU_HANDLE |
Expected a logical GPU handle for one or more parameters.
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NVAPI_EXPECTED_PHYSICAL_GPU_HANDLE |
Expected a physical GPU handle for one or more parameters.
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NVAPI_EXPECTED_DISPLAY_HANDLE |
Expected an NV display handle for one or more parameters.
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NVAPI_INVALID_COMBINATION |
The combination of parameters is not valid.
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NVAPI_NOT_SUPPORTED |
Requested feature is not supported in the selected GPU.
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NVAPI_PORTID_NOT_FOUND |
No port ID was found for the I2C transaction.
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NVAPI_EXPECTED_UNATTACHED_DISPLAY_HANDLE |
Expected an unattached display handle as one of the input parameters.
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NVAPI_INVALID_PERF_LEVEL |
Invalid perf level.
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NVAPI_DEVICE_BUSY |
Device is busy; request not fulfilled.
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NVAPI_NV_PERSIST_FILE_NOT_FOUND |
NV persist file is not found.
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NVAPI_PERSIST_DATA_NOT_FOUND |
NV persist data is not found.
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NVAPI_EXPECTED_TV_DISPLAY |
Expected a TV output display.
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NVAPI_EXPECTED_TV_DISPLAY_ON_DCONNECTOR |
Expected a TV output on the D Connector - HDTV_EIAJ4120.
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NVAPI_NO_ACTIVE_SLI_TOPOLOGY |
SLI is not active on this device.
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NVAPI_SLI_RENDERING_MODE_NOTALLOWED |
Setup of SLI rendering mode is not possible right now.
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NVAPI_EXPECTED_DIGITAL_FLAT_PANEL |
Expected a digital flat panel.
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NVAPI_ARGUMENT_EXCEED_MAX_SIZE |
Argument exceeds the expected size.
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NVAPI_DEVICE_SWITCHING_NOT_ALLOWED |
Inhibit is ON due to one of the flags in NV_GPU_DISPLAY_CHANGE_INHIBIT or SLI active.
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NVAPI_TESTING_CLOCKS_NOT_SUPPORTED |
Testing of clocks is not supported.
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NVAPI_UNKNOWN_UNDERSCAN_CONFIG |
The specified underscan config is from an unknown source (e.g. INF)
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NVAPI_TIMEOUT_RECONFIGURING_GPU_TOPO |
Timeout while reconfiguring GPUs.
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NVAPI_DATA_NOT_FOUND |
Requested data was not found.
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NVAPI_EXPECTED_ANALOG_DISPLAY |
Expected an analog display.
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NVAPI_NO_VIDLINK |
No SLI video bridge is present.
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NVAPI_REQUIRES_REBOOT |
NVAPI requires a reboot for the settings to take effect.
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NVAPI_INVALID_HYBRID_MODE |
The function is not supported with the current Hybrid mode.
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NVAPI_MIXED_TARGET_TYPES |
The target types are not all the same.
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NVAPI_SYSWOW64_NOT_SUPPORTED |
The function is not supported from 32-bit on a 64-bit system.
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NVAPI_IMPLICIT_SET_GPU_TOPOLOGY_CHANGE_NOT_ALLOWED |
There is no implicit GPU topology active. Use NVAPI_SetHybridMode to change topology.
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NVAPI_REQUEST_USER_TO_CLOSE_NON_MIGRATABLE_APPS |
Prompt the user to close all non-migratable applications.
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NVAPI_OUT_OF_MEMORY |
Could not allocate sufficient memory to complete the call.
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NVAPI_WAS_STILL_DRAWING |
The previous operation that is transferring information to or from this surface is incomplete.
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NVAPI_FILE_NOT_FOUND |
The file was not found.
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NVAPI_TOO_MANY_UNIQUE_STATE_OBJECTS |
There are too many unique instances of a particular type of state object.
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NVAPI_INVALID_CALL |
The method call is invalid. For example, a method's parameter may not be a valid pointer.
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NVAPI_D3D10_1_LIBRARY_NOT_FOUND |
d3d10_1.dll cannot be loaded.
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NVAPI_FUNCTION_NOT_FOUND |
Couldn't find the function in the loaded DLL.
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NVAPI_INVALID_USER_PRIVILEGE |
Current User is not Admin.
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NVAPI_EXPECTED_NON_PRIMARY_DISPLAY_HANDLE |
The handle corresponds to GDIPrimary.
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NVAPI_EXPECTED_COMPUTE_GPU_HANDLE |
Setting Physx GPU requires that the GPU is compute-capable.
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NVAPI_STEREO_NOT_INITIALIZED |
The Stereo part of NVAPI failed to initialize completely. Check if the stereo driver is installed.
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NVAPI_STEREO_REGISTRY_ACCESS_FAILED |
Access to stereo-related registry keys or values has failed.
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NVAPI_STEREO_REGISTRY_PROFILE_TYPE_NOT_SUPPORTED |
The given registry profile type is not supported.
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NVAPI_STEREO_REGISTRY_VALUE_NOT_SUPPORTED |
The given registry value is not supported.
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NVAPI_STEREO_NOT_ENABLED |
Stereo is not enabled and the function needed it to execute completely.
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NVAPI_STEREO_NOT_TURNED_ON |
Stereo is not turned on and the function needed it to execute completely.
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NVAPI_STEREO_INVALID_DEVICE_INTERFACE |
Invalid device interface.
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NVAPI_STEREO_PARAMETER_OUT_OF_RANGE |
Separation percentage or JPEG image capture quality is out of [0-100] range.
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NVAPI_STEREO_FRUSTUM_ADJUST_MODE_NOT_SUPPORTED |
The given frustum adjust mode is not supported.
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NVAPI_TOPO_NOT_POSSIBLE |
The mosaic topology is not possible given the current state of the hardware.
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NVAPI_MODE_CHANGE_FAILED |
An attempt to do a display resolution mode change has failed.
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NVAPI_D3D11_LIBRARY_NOT_FOUND |
d3d11.dll/d3d11_beta.dll cannot be loaded.
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NVAPI_INVALID_ADDRESS |
Address is outside of valid range.
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NVAPI_STRING_TOO_SMALL |
The pre-allocated string is too small to hold the result.
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NVAPI_MATCHING_DEVICE_NOT_FOUND |
The input does not match any of the available devices.
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NVAPI_DRIVER_RUNNING |
Driver is running.
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NVAPI_DRIVER_NOTRUNNING |
Driver is not running.
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NVAPI_ERROR_DRIVER_RELOAD_REQUIRED |
A driver reload is required to apply these settings.
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NVAPI_SET_NOT_ALLOWED |
Intended setting is not allowed.
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NVAPI_ADVANCED_DISPLAY_TOPOLOGY_REQUIRED |
Information can't be returned due to "advanced display topology".
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NVAPI_SETTING_NOT_FOUND |
Setting is not found.
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NVAPI_SETTING_SIZE_TOO_LARGE |
Setting size is too large.
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NVAPI_TOO_MANY_SETTINGS_IN_PROFILE |
There are too many settings for a profile.
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NVAPI_PROFILE_NOT_FOUND |
Profile is not found.
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NVAPI_PROFILE_NAME_IN_USE |
Profile name is duplicated.
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NVAPI_PROFILE_NAME_EMPTY |
Profile name is empty.
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NVAPI_EXECUTABLE_NOT_FOUND |
Application not found in the Profile.
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NVAPI_EXECUTABLE_ALREADY_IN_USE |
Application already exists in the other profile.
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NVAPI_DATATYPE_MISMATCH |
Data Type mismatch.
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NVAPI_PROFILE_REMOVED |
The profile passed as parameter has been removed and is no longer valid.
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NVAPI_UNREGISTERED_RESOURCE |
An unregistered resource was passed as a parameter.
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NVAPI_ID_OUT_OF_RANGE |
The DisplayId corresponds to a display which is not within the normal outputId range.
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NVAPI_DISPLAYCONFIG_VALIDATION_FAILED |
Display topology is not valid so the driver cannot do a mode set on this configuration.
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NVAPI_DPMST_CHANGED |
Display Port Multi-Stream topology has been changed.
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NVAPI_INSUFFICIENT_BUFFER |
Input buffer is insufficient to hold the contents.
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NVAPI_ACCESS_DENIED |
No access to the caller.
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NVAPI_MOSAIC_NOT_ACTIVE |
The requested action cannot be performed without Mosaic being enabled.
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NVAPI_SHARE_RESOURCE_RELOCATED |
The surface is relocated away from video memory.
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NVAPI_REQUEST_USER_TO_DISABLE_DWM |
The user should disable DWM before calling NvAPI.
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NVAPI_D3D_DEVICE_LOST |
D3D device status is D3DERR_DEVICELOST or D3DERR_DEVICENOTRESET - the user has to reset the device.
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NVAPI_INVALID_CONFIGURATION |
The requested action cannot be performed in the current state.
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NVAPI_STEREO_HANDSHAKE_NOT_DONE |
Call failed as stereo handshake not completed.
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NVAPI_EXECUTABLE_PATH_IS_AMBIGUOUS |
The path provided was too short to determine the correct NVDRS_APPLICATION.
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NVAPI_DEFAULT_STEREO_PROFILE_IS_NOT_DEFINED |
Default stereo profile is not currently defined.
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NVAPI_DEFAULT_STEREO_PROFILE_DOES_NOT_EXIST |
Default stereo profile does not exist.
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NVAPI_CLUSTER_ALREADY_EXISTS |
A cluster is already defined with the given configuration.
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NVAPI_DPMST_DISPLAY_ID_EXPECTED |
The input display id is not that of a multi stream enabled connector or a display device in a multi stream topology.
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NVAPI_INVALID_DISPLAY_ID |
The input display id is not valid or the monitor associated to it does not support the current operation.
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NVAPI_STREAM_IS_OUT_OF_SYNC |
While playing secure audio stream, stream goes out of sync.
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NVAPI_INCOMPATIBLE_AUDIO_DRIVER |
Older audio driver version than required.
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NVAPI_VALUE_ALREADY_SET |
Value already set, setting again not allowed.
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NVAPI_TIMEOUT |
Requested operation timed out.
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NVAPI_GPU_WORKSTATION_FEATURE_INCOMPLETE |
The requested workstation feature set has incomplete driver internal allocation resources.
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NVAPI_STEREO_INIT_ACTIVATION_NOT_DONE |
Call failed because InitActivation was not called.
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NVAPI_SYNC_NOT_ACTIVE |
The requested action cannot be performed without Sync being enabled.
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NVAPI_SYNC_MASTER_NOT_FOUND |
The requested action cannot be performed without Sync Master being enabled.
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NVAPI_INVALID_SYNC_TOPOLOGY |
Invalid displays passed in the NV_GSYNC_DISPLAY pointer.
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NVAPI_ECID_SIGN_ALGO_UNSUPPORTED |
The specified signing algorithm is not supported. Either an incorrect value was entered or the current installed driver/hardware does not support the input value.
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NVAPI_ECID_KEY_VERIFICATION_FAILED |
The encrypted public key verification has failed.
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NVAPI_FIRMWARE_OUT_OF_DATE |
The device's firmware is out of date.
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NVAPI_FIRMWARE_REVISION_NOT_SUPPORTED |
The device's firmware is not supported.
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NVAPI_LICENSE_CALLER_AUTHENTICATION_FAILED |
The caller is not authorized to modify the License.
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NVAPI_D3D_DEVICE_NOT_REGISTERED |
The user tried to use a deferred context without registering the device first.
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NVAPI_RESOURCE_NOT_ACQUIRED |
Head or SourceId was not reserved for the VR Display before doing the Modeset.
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NVAPI_TIMING_NOT_SUPPORTED |
Provided timing is not supported.
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NVAPI_HDCP_ENCRYPTION_FAILED |
HDCP Encryption Failed for the device. Would be applicable when the device is HDCP Capable.
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NVAPI_PCLK_LIMITATION_FAILED |
Provided mode is over sink device pclk limitation.
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NVAPI_NO_CONNECTOR_FOUND |
No connector on GPU found.
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NVAPI_HDCP_DISABLED |
When a non-HDCP capable HMD is connected, we would inform user by this code.
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NVAPI_API_IN_USE |
Atleast an API is still being called.
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NVAPI_NVIDIA_DISPLAY_NOT_FOUND |
No display found on Nvidia GPU(s).
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NVAPI_PRIV_SEC_VIOLATION |
Priv security violation, improper access to a secured register.
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NVAPI_INCORRECT_VENDOR |
NVAPI cannot be called by this vendor.
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NVAPI_DISPLAY_IN_USE |
DirectMode Display is already in use.
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NVAPI_UNSUPPORTED_CONFIG_NON_HDCP_HMD |
The Config is having Non-NVidia GPU with Non-HDCP HMD connected.
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NVAPI_MAX_DISPLAY_LIMIT_REACHED |
GPU's Max Display Limit has Reached.
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NVAPI_INVALID_DIRECT_MODE_DISPLAY |
DirectMode not Enabled on the Display.
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NVAPI_GPU_IN_DEBUG_MODE |
GPU is in debug mode, OC is NOT allowed.
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NVAPI_D3D_CONTEXT_NOT_FOUND |
No NvAPI context was found for this D3D object.
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NVAPI_STEREO_VERSION_MISMATCH |
there is version mismatch between stereo driver and dx driver
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