New Lenovo Diagnostic Solution Center Walkthrough - YouTube
Lenovo Diagnostics v4.30 – User Guide
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Lenovo Diagnostics storage test with "NVMe Controller Status Test" item will show "NOT APPLICABLE" - ThinkStation P520c/P520/P720/P920 - Lenovo Support SG
Lenovo Diagnostic Storage test may show “Random seek test FAILED”, “Funnel seek test FAILED”, or “Targeted read test FAILED” with bootable or embedded diagnostics - ThinkCentre/ThinkStation - Lenovo Support US