nvme drive error not repairing

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28 Dec 2020
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My windows nvme drive does not appear in "deffragment and optimise drives". I searched for drive error and I clicked on restart and repair drive, but windows is not repairing it. How do I repair my nvme drive without losing all my data?
 
You cannot or need to defrag SSD's, NVME or Sata models. Windows knows that when it installed so it won't let you. Defragging a storage drive involves reading files from and writing the same files to that storage drive. That's OK for an old spinning platter hard drive, but not for SSD's. They would wear out much faster as you can only write files to an SSD a certain amount of times, like you can with any flash memory storage device such as a SD card or a pen drive. You can 'trim' an SSD which tells the SSD controller which memory cells are no longer used and can be wiped, but thats it. Windows 'trims' SSD's automatically though I think you can set a schedule for them to be 'trimmed'
 
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I don't think you can or need to defragment nvme drives
You cannot or need to defrag SSD's, NVME or Sata models. Windows knows that when it installed so it won't let you. Defragging a storage drive involves reading files from and writing the same files to that storage drive. That's OK for an old spinning platter hard drive, but not for SSD's. They would wear out much faster as you can only write files to an SSD a certain amount of times, like you can with any flash memory storage device such as a SD card or a pen drive. You can 'trim' an SSD which tells the SSD controller which memory cells are no longer used and can be wiped, but thats it. Windows 'trims' SSD's automatically though I think you can set a schedule for them to be 'trimmed'
I know defragmenting ssd wears it out, I want to trim it but C drive is not showing up in "deffragment and optimise drives". Windows is telling me my nvme drive has errors, I click on "restart and repair now" and after restart still not fixed.
https://imgur.com/a/apoDfCo
 
Have you checked the drive with SSD diagnostic software. Most of the manufacturers have their own & will want you to check their model of SSD to confirm a fault before RMA.

This is a 3rd party one if your model does not have said software.

https://crystalmark.info/en/software/crystaldiskinfo/
I have wd sn750. using wd dashboard, it's showing my nvme is at 100% health and did smart test using the software and everything seems okay.
 
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