When Drives Deceive: Diagnosing SSDs Beyond the Health Check


Could you provide your insights on a file transfer dilemma I’m facing? Despite my Solid State Drive (Drive E) being reported as healthy by both Crystal Disk and Disk Sentinel, I’m encountering zero byte transfer speeds when attempting to move or backup certain files. Interestingly, my primary drive (Drive C) displays no errors and is deemed ‘acceptable,’ yet these transfer issues persist. Is it possible that the primary drive is the source of these transfer complications, or might the secondary drive (Drive D), which appears to be functioning well, actually be failing? Furthermore, I’ve run into a “Data Error Cyclic Redundancy Check” error during file transfers. Your expertise on this matter would be greatly valued.


When faced with the perplexing situation of a Solid State Drive (SSD) that is reported to be in good health yet fails to perform as expected, it’s essential to approach the problem methodically. The symptoms you’ve described—zero byte transfer speeds on Drive E, an ‘acceptable’ status for Drive C without errors, and a ‘Data Error Cyclic Redundancy Check’—point to a few potential issues that could be at play.

Firstly, while tools like Crystal Disk and Disk Sentinel are valuable for assessing drive health, they are not infallible. They typically monitor attributes like the number of hours the drive has been powered on, the temperature, and read/write errors, among others. However, they might not detect every issue, especially if it’s related to the drive’s firmware or a mechanical component starting to fail. It’s possible that Drive D, despite appearing healthy, could have underlying issues not picked up by these tools.

File System and Data Errors

The ‘Data Error Cyclic Redundancy Check’ is particularly telling. This error often indicates that there are issues with the file system or the data itself, which can be caused by bad sectors on the drive. If this error is occurring on Drive E, it suggests that there might be a problem with the drive’s ability to read or write data correctly, even if its overall health appears good.

Potential Solutions

To address these issues, consider the following steps:


Backup Important Data

: Before proceeding with any diagnostics or repairs, ensure that all important data is backed up to another storage medium.


Check for Firmware Updates

: Manufacturers sometimes release firmware updates that can resolve issues not detected by health monitoring tools.



: Use the built-in Windows CHKDSK utility to check for and repair file system errors on Drive E.


Test with Another PC

: If possible, connect Drive E to another computer to see if the issue persists. This can help determine if the problem is with the drive or your computer’s hardware or software.


Consider Drive C’s Role

: While Drive C is reported as ‘acceptable,’ it’s worth exploring if system files or software related to file transfers are causing issues. A system scan for corrupted files or a reinstallation of transfer-related software might be in order.


In conclusion, while health monitoring tools provide a useful snapshot of a drive’s condition, they don’t always tell the full story. Your SSD may still be experiencing issues despite a good report from these tools. By following the suggested steps, you can further diagnose the problem and hopefully restore your SSD’s file transfer capabilities. Remember, when it comes to data, redundancy is key—always keep multiple backups to prevent data loss.

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