If you use your computer all day, every day, system components only have a finite lifespan. If your graphics card goes down, that's replaceable. If your monitor stops working, it's far from being a disaster. However, if you're hard drive stops working, you might not be able to salvage your important data, files and installed applications. Short of sending it to a professional drive salvaging company, you could be stuffed.
Hard Disk Sentinel 2.05 is a professional-level drive analysis tool that you can use to pro-actively check your drive for potential problems. If you think your drive has degraded is speed or performance, it might be due to a potential drive-related error. Use this tool to run a check and, if an error is found, you could salvage your data before anything more serious happens to the drive.
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