The NVIDIA Modular Diagnostic Software is a utility designed to diagnose and troubleshoot issues related to NVIDIA graphics processing units (GPUs). It allows users to test the functionality of their graphics cards, check for driver updates, and sometimes offers insights into optimizing system performance for gaming and other graphics-intensive applications.
For Tesla, A100, H100, or Grid cards:
The term "Modular" refers to the software’s ability to decouple the GPU into distinct functional blocks for testing. Instead of running a monolithic test that stresses the entire card, a technician can isolate specific modules: download nvidia modular diagnostic software
NVIDIA Modular Diagnostic Software is a proprietary validation suite used to isolate hardware failures in NVIDIA GPUs. It moves beyond high-level stress testing (like FurMark or 3DMark) into Direct Register Access and Firmware-Level Interaction.
Most often, NVIDIA supplies these tools to server OEMs who rebrand them. You likely already have access if you manage hardware from: The NVIDIA Modular Diagnostic Software is a utility
Important: NVIDIA does not offer this tool as a public, click-to-download file. It is restricted to authorized partners, enterprise support customers, and internal NVIDIA teams.
If you have a valid NVIDIA enterprise contract: Important: NVIDIA does not offer this tool as
If you are an end user (no enterprise contract):