SSD samsung 850 evo 500gb not detected by MSI X99S

Aug 9, 2018
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Hello and thank you in advance for anyone that'll take the time to help me here!

I work in audio production, my setup is

Motherboard : MSI X99S SLIP PLUS
Processor : I7-5930K
Ram : 16go
Storage :

- OS : Samsung SSD 850 evo 120GB
- Archives : external hdd WD My Book 3to
- Samples and data : hdd WD Black 2 To SATA 6Gb/s
- Sessions : Samsung SSD 850 evo 500GB

Graphic card : Nvidia Geforce GTX 960.

I built this setup 3 years ago with a friend and have had litteraly not one issue with it in 3 years, even though i work on it every day 10 to 12 hours, so i guess it was bound to happen!

Yesterday i shot some videos with my camera and wanted to transfer them from my compact flash into the SSD 500gb before going to bed, but it was 70gb and the computer said it'd take 2 hours, so i just turned off my screens and went to be thinking the computer would finish the transfer and eventually get in sleep mode.

This morning i turned on the computer from sleep mode, the transfer window was telling me an error, something like " couldn't transfer this file into the location ", i then noticed that the 500gb ssd was gone, i checked in the device manager, then the bios, couldn't see it anywhere. I spent the whole day trying to solve the issue by trying new cables to connect it, resetting the bios, plugin the ssd on my laptop, also tried a couple cycles of 30 min + 30seconds unplugged like i found online.

I suspect 2 reasons why the issue happened :

1) Maybe the computer went in sleep mode while the transfer was happening and that the SSD didn't like that much!
2) there was a little bit of thunder yesterday, which could have maybe harmed the ssd via an electric shock?

Nothing yet has worked. I have very precious data on this drive, some sessions that are worth thousands of euros, so i was planning on bringing it to a data recovery company tomorrow but i wanted to try everything before i go spend half a grand to get my data...

Thank you so much for reading and hopefully someone will be able to help!

( Also, i should add that the laptop i tried it on currently has the exact same SSD working in it, which tells me it has nothing to do with my computer / bios or whatever, it comes from the SSD itself )
 
Aug 9, 2018
2
0
10


That' is very true, i've also had a handful of problems with sleep mode in the past with other computer.
It was set to 4 hours so i usually never ever used sleep mode because i would always turn off my computer before bed , i guess i should have done it yesterday too!