Download Verified Nvidia Modular Diagnostic Software -

You should see a text-based menu with options:

Before booting, plug your monitor into the (using the CPU's integrated graphics), not the broken Nvidia GPU. Boot into your system BIOS. Enable CSM (Compatibility Support Module) or Legacy Boot. Disable Secure Boot .

The software contains several sub-modules designed for comprehensive hardware validation. MATS (Memory Automated Testing System)

| Error Code | Meaning | Likely Fix | |------------|-------------------|-------------------------------------------------| | MEM 0x10 | Single-bit ECC error (uncorrected) | Card is failing – RMA if under warranty. | | MEM 0x20 | Multi-bit error – data corruption imminent | Immediate replacement required. | | BUS 0x01 | PCIe link width error (x16 downgraded to x8/x4) | Reseat card, clean PCIe slot, check motherboard. | | FB 0xFF | Framebuffer corruption | VRAM overheating – replace thermal pads. | | THM 0x80 | Hotspot delta >20°C from edge temp | Poor die contact – re-paste GPU. | download nvidia modular diagnostic software

to write it to a USB drive (2GB to 8GB is usually sufficient). Boot the System:

This comprehensive guide covers everything you need to know about MODS, its companion tool MATS, and how professionals use them to diagnose complex GPU failures. What is NVIDIA Modular Diagnostic Software (MODS)?

Enthusiasts often share pre-configured ISO images on platforms like the Repair Wiki or specialist forums like LeviRepair . You should see a text-based menu with options:

Before searching for a download link, it is crucial to understand the nature of this software. Proprietary Software

If you aren't a professional repair technician, these official tools are safer and easier to use:

NVIDIA Mods output is very precise. Here is a decoder for the most frequent errors: Disable Secure Boot

If you are validating brand-new hardware before putting it into production, NVQual is the correct modular suite. It runs destructive and non-destructive tests across thousands of GPUs.

A bootable environment creator, such as Rufus or Tiny Core Linux.

Always rely on official downloads from the or trusted repository sources for your hardware validation needs.