Guides hub

HDD, SSD, USB/NAS, and alerts

Problem-first reading paths. harddisksentinel.net is independent educational material — not the vendor. Official software: hdsentinel.com.

HDD health & failure signs

Health score, pending sectors, and what to do before recovery becomes the job.

SSD health checks and temperature history that actually changes decisions.

External disks and NAS that hide SMART — what to verify anyway.

Warning levels first, then a backup you have actually restored.