Number of complete start/stop cycles of hard diskįrequency of “program” errors appearance while reading data from a disk Number of attempts to start a spindle of a disk Quantity of elapsed hours (or minutes) in the switched-on state The average efficiency of operations while positioning The raw value normally represents a count of the bad sectors that have been found and remappedįrequency of errors appearance while positioning Higher RAW value is better.Ĭount of reallocated sectors. Overall (general) throughput performance of a hard disk drive. tests.įrequency of errors appearance while reading RAW data from a disk. Indicates that attribute is automatically preservable and restored each time when performing S.M.A.R.T.
Indicates that attribute is a counter of events.
Indicates that attribute measure frequency of errors. Indicates degradation of performance caused by usage or age of a drive. Indicates that the value of this attribute is calculated during Online test. Indicates a pre-failure condition (caused by exceeded threshold) where imminent loss of data is being predicted (life critical attribute). Thus making it easier to determine which attributes are problematic FlagsĮach attribute can have a certain collection of flags: Flag name Many show an extra column displaying ‘OK’ or ‘FAIL’. Sometimes the RAW value for an attribute is hidden. SMART utilities can display less or additional columns. Any value lower than (or equal to) threshold means decreased performance or even hard disk failure. So for example, for the attribute ‘Reallocated Sector Count’, the value would display actual number of reallocated sectors.Īttributes are being used to retrieve current psychical/logical state of a drive and to show their meaning in much more readable form for end-user. Threshold is the critical value for an attribute. Note however that not all attributes are ‘pre-fail’ attributes. Once the value is reached the attribute ‘fails’. Worst normalized value that was ever detected. 1 generally is worst, 253 best. The current normalized value for the attribute. data is typically displayed in an attribute list using columns for the different SMART attributes: Attribute data all the time while running in the background. There are numerous utilities available that either run on-demand to display current S.M.A.R.T.
#Hard disk sentinel 187 uncorrectable fix Pc#
For example, a PC may warn the user during the boot process that a disk is about to fail and data needs to backed up ASAP. To predict failures and/or to display S.M.A.R.T. Utilities that keep an eye on your disk’s health: HD Sentinel When a hard disk fails or dies, DIY data recovery is hardly ever an option! If a disk fails and data was not backed up, you almost always have to go the expensive route to recover the data: sent the disk to a data recovery lab. But again, keep in mind that not all hard disk failures can be predicted! Also, a program like HD Sentinel can even out-smart the built-in failure prediction of a disk (which is basically nothing more than a ‘pre-fail’ attribute exceeding threshold) based on loads of experience with loads of different hard disks. As a SMART monitor is watching the disk over a longer period of time it can even try to make some predictions on when a disk may fail in the future. monitor constantly in the background you will be warned when a disk is (about to be) failing on you.
#Hard disk sentinel 187 uncorrectable fix software#
Keeping an eye on your hard disk’s health.Īlthough I try to run as little software in the background as possible (as you may have guessed from the DiskTuna description on this site’s home page), I do make a few exceptions: I run anti virus software and I run a S.M.A.R.T. It is however useful for quickly determining the physical state of the disk. It does not interpret values, nor does it monitor SMART data over a longer period. If you want me to help you interpret SMART data, click ‘Save to file’, and email me the file ( is a ‘dumb’ SMART data ‘messenger’, it just gets the data and displays it. High raw values for the ‘Reallocated Sector Count’ and/or ‘Current Pending Sector Count’ are reason for concern and it may be wise to clone or image the disk first. I have highlighted the important attributes that can be used to examine a disk’s physical condition.
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