HDD health & failure signs
Practical HDD checks and failure signs in plain language.
Guides hub
HDD, SSD, USB/NAS, and alerts
Problem-first reading paths. harddisksentinel.org is independent educational material — not the vendor. Official software: hdsentinel.com.
SSD wear, heat, and throttling
SSD health plus why heat during sustained writes matters.
USB enclosure & NAS SMART gaps
External and NAS monitoring notes when the enclosure hides SMART.
Alerts, SMART, then backup
Interpret warnings, then copy files while the disk still cooperates.