It sounds like a S.M.A.R.T. hard disk check error. And that's an acronym for Self-Monitoring Analysis and Reporting Technology. It basically checks your hard drives for indications of failure. And if it detects a negative condition with a hard drive, it displays a warning.
So at this point you should immediately backup all of your important data before the drive totally fails and takes your data with it.
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It sounds like a S.M.A.R.T. hard disk check error. And that's an acronym for Self-Monitoring Analysis and Reporting Technology. It basically checks your hard drives for indications of failure. And if it detects a negative condition with a hard drive, it displays a warning.
So at this point you should immediately backup all of your important data before the drive totally fails and takes your data with it.