How to See If Your Hard Drive Is Failing

Hard drives use S.M.A.R.T. (Self-Monitoring, Analysis, and Reporting Technology) to gauge their own reliability and determine if they’re failing.  You can view your hard drive’s S.M.A.R.T. data and see if it has started to develop problems.

Hard drives don’t live forever, and you often can’t see the end coming. Fortunately, most modern drives support S.M.A.R.T., so they can at least do some basic self-monitoring. Unfortunately, Windows doesn’t have an easy-to-use built-in tool that shows your hard disk’s S.M.A.R.T. data. You can view a very basic S.M.A.R.T. status from the Command Prompt or in DELL computers testing all hardware in BIOS, but to really see this information, you’ll need to grab a third-party app.

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Check S.M.A.R.T. Status with (CrystalDiskInfo/speccy among many)

 (we shall use) CrystalDiskInfo (free) is an easy-to-use, open-source program that can shows the S.M.A.R.T. status details reported by your hard drives.  You can download an installable or portable version—the choice is up to you.

Once you’ve got CrystalDiskInfo running,The main view shows the S.M.A.R.T. status information for your hard drives. If everything is working properly, you should see the status “Good displayed. In the image below, just under the menu bar, you can see that all three drives in our system report a “Good” status and you can even view the temperature of each drive. Other statuses you might see include “Bad” (which usually indicates a drive that’s dead or near death), “Caution” (which indicates a drive that you should most likely be thinking about backing up and replacing), and “Unknown” (which just means that S.M.A.R.T. information could not be obtained).

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You can also view a list of detailed information about each drive, but unless you’re a pro—or you’re troubleshooting something very specific—it likely won’t mean much to you. If you’re interested, though, the Wikipedia page for S.M.A.R.T. maintains a pretty good list of these attributes, along with how they can be interpreted.

There’s really not a lot more to the app, but there is one other feature worth pointing out. If you are particularly concerned about the health of a drive, you can set CrystalDiskInfo to start with Windows and run as a background app. While it’s running this way, CrystalDiskInfo will send a notification to alert you if the S.M.A.R.T. status of any drive changes. Just open the “Function” menu and toggle both the “Resident” and “Startup” options on.

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Check S.M.A.R.T. Status at the Command Prompt

You can also view a very basic S.M.A.R.T. status from the Windows Command Prompt. To open the Command Prompt, hit Start, type “Command Prompt,” and then press Enter.

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A the prompt,  type (or copy and paste) the following command, and then press Enter:

wmic diskdrive get status

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Of course, hardware isn’t perfect—hard drives can fail without any S.M.A.R.T. warnings. However, S.M.A.R.T. can give you some advance warning when a hard drive isn’t performing the way it should.

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