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Assuming your system does not crash in safe mode, could you run following command in an admin command prompt please.
Take a pic of the result and post it.
DISM /Online /Cleanup-image /ScanHealth
I'd like to have some diagnostics data of your hard drive to see what the status is.
Run SeaTools to check the integrity of your HDD. SeaTools for DOS and Windows - How to Use - Windows 7 Help Forums
Run following tests
- Short Drive Self Test
- Short generic
- Long generic
If the short generic fails, no need for the long generic.
Do not run SeaTools on an SSD as the results will be invalid.
Disk Check - Windows 7 Help Forums
Run HDTune to
- scan for errors, no quick scan but full scan
- check the health,
It may take some time, but please take the time you need to perform it properly.
Let me know what the results are
- of the error scan,
- make a screenshot of the health of every hard drive and post the screenshots,
- post screenshots with the benchmark of the
- transfer rate,
- access time,
- burst rate,
- cpu usage.