If your NVIDIA GPU came inside a Dell Precision, HP Z-series, or Lenovo ThinkStation:
Nvidia Modular Diagnostic Software, universally known as MODS, is a proprietary, low-level testing suite designed by Nvidia. Unlike consumer-oriented benchmark applications that run within standard operating systems, MODS operates directly on the hardware layer. It is used to test the physical components of a graphics processing unit (GPU), including memory chips, voltage regulators, and PCIe lane integrity. download nvidia modular diagnostic software
: The system is booted from the USB drive. Many versions are pre-configured to automatically run a basic MATS test upon booting and save the results to the drive. Critical Risks and Cautions If your NVIDIA GPU came inside a Dell
If the card is physically inserted but has no display (dead card): : The system is booted from the USB drive
If you attempt to run MODS and encounter errors like GpuNotSupported or Initialization Failed , check the following hardware constraints: