Such kind of problems often have a logical reasons.




Diagnostics Test

 HDD TEST


Note   Note
Please run HDTune first, in the order posted!

Run HDTune to
  • check the health,
  • scan for errors, no quick scan but full scan
  • run a benchmark.

It may take some time, but please take the time you need to perform it properly.
When above is done please make screenshots of the following
  • the health,
  • the error scan,
  • the benchmark incl. following
    • transfer rate,
    • access time,
    • burst rate,
    • cpu usage.


Run SeaTools DOS to check the integrity of your HDD. SeaTools for DOS and Windows - How to Use - Windows 7 Help Forums
Run the long test.
Note   Note
Do not run SeaTools on an SSD as the results will be invalid.

Make a photo of the result and post it.

Run chkdsk
Disk Check - Windows 7 Help Forums
Use option TWO with parameter /r
Upload the chkdsk log Check Disk (chkdsk) - Read Event Viewer Log - Windows 7 Help Forums