● Covered by 1 source · 1 reportLow impact1 neutral
How to check your MacBook's hard drive health
Key points
- Regular backups are crucial to prevent data loss from drive failure.
- Disk Utility's First Aid checks and repairs file system errors.
- S.M.A.R.T. status provides basic hardware health indicators.
- Signs of trouble include corrupted files, frozen apps, or macOS messages.
Importance of Drive Health
A MacBook's storage is a critical component, as its failure can lead to irreversible data loss. Unlike other hardware issues, a hard drive or SSD failure without a backup can make file recovery impossible. Regular backups are recommended, with Apple's Time Machine being a suitable tool for this purpose.
Identifying Storage Issues
Before using diagnostic tools, users should be aware of common signs indicating potential storage problems. These include files becoming corrupted or disappearing, applications freezing unexpectedly, or macOS displaying messages that indicate the storage requires servicing.
Using Disk Utility's First Aid
For most users, Disk Utility's First Aid function is the primary tool for diagnosing and repairing file system issues. To use it, open Disk Utility, select "Show All Devices," and run First Aid on individual volumes, then the container, and finally the drive itself. First Aid checks for and attempts to fix file system errors, but it does not perform a full physical check of the drive.
Checking S.M.A.R.T. Status
Disk Utility also provides access to the drive's S.M.A.R.T. (Self-Monitoring, Analysis and Reporting Technology) status. S.M.A.R.T. is an integrated system that monitors various health indicators, such as error rates, failing sectors, and mechanical wear. A "verified" S.M.A.R.T. status indicates basic hardware health.
✨ This summary was generated by AI from the outlets' reporting listed below. It is not independently verified and may contain errors — check the original sources. How BrevFeed works →
The daily brief
One email each morning: the day's tech stories, clustered across outlets and summarized. No account needed.
One email a day. Unsubscribe in one click, any time.
Today's brief
Spend a few minutes, get the whole day. Every topic's top stories in one hands-free rundown — listen, watch, or read the transcript.
▶ Play today's brief
New every morning, and the back catalogue is archived by date.
Reporting from
This guide explains how to check a MacBook's hard drive health using built-in macOS tools like Disk Utility's First Aid and S.M.A.R.T. status. It provides steps for diagnosing potential storage issues to prevent data loss.