How to check your PC's hard-drive health

2026-09-06 | original

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Why This Matters

Drive failure is a common, often silent risk—especially with SSDs, which give no audible warning—and can cost users their only copy of important files. The piece points out that Windows includes built-in health checks, while free tools can read deeper SMART diagnostics, giving consumers practical ways to spot trouble early.

Key Takeaways

Symptoms of a failing drive include corrupted files, slow access, read/write errors, crashes, or a drive vanishing from Windows.
Back up important data first; diagnostics are no substitute for a copy of your files.
Windows offers basic drive checks, but free SMART-reading utilities go further—though a 'healthy' status is no guarantee against sudden failure.

Worth a Look

Samsung T7 Portable SSD — The article's first piece of advice is to back up your files before a failing drive takes them with it, and the Samsung T7 makes that painless. It's a pocket-sized USB-C external SSD with no moving parts, so you can keep a copy of your irreplaceable photos and documents somewhere separate from the drive you're diagnosing.

See Samsung T7 Portable SSD on Amazon → Affiliate link — we may earn a commission on purchases, at no extra cost to you. Product picked by AI based on this article; it is not a tested recommendation.

Storage drives have a tendency to fail when you least expect it. A traditional hard drive may give you a warning with clicking or grinding sounds, but an SSD has no moving parts to make a fuss. Problems with either type can manifest as corrupted files, abnormally slow access, frequent read or write errors, crashes, or a drive that periodically disappears from Windows.

If any of that is already occurring, back up your important files before doing much else. Diagnostics are good, but it's not as much fun to recover the only copy of something when a drive dies.

Windows has several built-in methods for checking the health of drives, but the information it can provide will vary based on the hardware in the computer. Free utilities can go further and read the drive's Self-Monitoring, Analysis and Reporting Technology (SMART) data.

There is one limitation, though. A healthy status can be reassuring, but it's certainly not a lifetime guarantee.

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