DeviceDiagnostic

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DeviceDiagnostic is a compact diagnostic utility for Windows that helps you quickly check your computer’s status.

The app shows basic system information, live charts for CPU usage, RAM usage, GPU usage, VRAM usage, and GPU temperature when NVIDIA NVML is available. It also includes a network test for ping/download/upload, a simple storage read/write benchmark, and JSON export for saving current diagnostic values.

DeviceDiagnostic is useful for quick PC checks during work, gaming, streaming, testing, or troubleshooting performance issues.

Release Notes

• Real-time CPU, RAM, GPU, VRAM, and GPU temperature charts.
• Ping/download/upload network test.
• Storage write/read test.
• Diagnostic export to JSON.
• Portable Windows .exe.