BIOS wont detect SSD

[Degk]

I've installed a new mSATA SSD to my laptop (msi ge60). I have cloned the SSD and now I can see it as disc A (https/i.imgur.com/2egjZI4.png). Now in order to continue with the process of making SSD my main disc I need to prioritize it over my HDD in the BIOS and here where the problem is. I can not find it the BIOS what so ever (https/i.imgur.com/QNGw5KS.jpg). I was looking for solution everywhere, but nothing seemed to help
Things that I've already tried)
-Starting laptop with SSD only
-Switching to Legacy mode and choosing my SSD after restarting my computer
-Cleaning the SSD and cloning it again
-Replacing SSD into other SSD socket
-Starting windows using advanced boot options (https/i.imgur.com/Lp34NWD.jpg)

My OS is Win 8, BIOS version is E16GAIM.510

Any help will be highly appreciated and I'll gladly answer your questions.

 

[Degk]

EDIT: I've tried to run in legacy mode once again, and now I could choose my SSD in BBS options, however whenever I tried to start windows in this mode this is what it showed https/i.imgur.com/VFksknJ.jpg . Once I switched to UEFI mode all I could see in BBS options was windows boot drive.

 

[Barty1884]

Assuming you've enabled AHCI?

 

[Degk]

Assuming you've enabled AHCI?

Yes, I have, but when I enable it option to choose my SSD disappears.

 

[Barty1884]

When you cloned to the SSD, was it AHCI enabled...or are you attempting to enable after the fact?

If you're doing it after the fact, it's probably a good thing you're on W8 as W7 was a nightmare.

Put your BIOS back to IDE and boot.

Go to Registry:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\storahci\StartOverride
Change the 0 DWORD value from 3 to 0.
Reboot, and change your SATA controller to AHCI in BIOS.