Your computer freezes, takes too long to open files, reports storage errors, or makes odd noises, and you suspect the drive may be failing. This applies to internal and external HDDs and SSDs on Windows and Mac.
Does This Affect You?
Storage drives often give warnings before they fail, but those warnings can look like ordinary slowness until data is at risk. If several signs appear together, back up important files immediately and then check the drive health data.
Warning Signs to Watch For
Hard drives and SSDs fail differently, so use the symptoms that match your drive type.
- Clicking, grinding, or repetitive seeking noises point strongly to a failing mechanical hard drive. SSDs have no moving parts and will not make those sounds.
- Files that suddenly refuse to open, open corrupted, or repeatedly copy with errors can indicate bad sectors or failing flash memory.
- Freezes that happen specifically during opening, saving, copying, or booting are more suspicious than random slowdowns everywhere.
- Blue screens or Event Viewer warnings mentioning disk, storage, bad block, or controller errors deserve attention.
- A drive that disappears and reappears, or takes a long time to mount after sleep or restart, may have an internal drive or connection failure.
Check the Drive Actual Health Status
Read the diagnostic data from the drive instead of guessing from symptoms alone.
- On Windows, right-click Start, open PowerShell or Terminal as administrator, and run Get-PhysicalDisk | Select FriendlyName, HealthStatus.
- If Windows reports Warning or Unhealthy, treat the drive as suspect and back up immediately.
- For deeper SMART details, use a tool such as CrystalDiskInfo and check the overall status plus attributes like Reallocated Sectors Count and Pending Sector Count for HDDs.
- On Mac, open Disk Utility, select the drive, and check S.M.A.R.T. Status. Verified is good; Failing means replacement should be planned.
- For SSDs, look for wear attributes such as Percentage Used or Media Wearout Indicator rather than mechanical symptoms.
A basic SMART read does not modify your data. Repair tools are different. Run chkdsk /f or similar repair scans only after you have a current backup, because a drive that is already failing can get worse during a long repair pass. We provide no warranty; proceed at your own risk.
If you hear clicking, see a red failing status, or get a predictive-failure warning, replace the drive rather than waiting. The price of a new drive is small compared with professional data recovery. SSDs can fail with fewer obvious signs, so regular backups matter even when the drive sounds perfectly normal.
Sources
- Backblaze – Hard Drive SMART Stats and Failure Data (2025)
- Microsoft Support – Check the Health of Your Hard Drive (2025)
- Seagate – Warning Signs of Hard Drive Failure (2024)