How to check AHCI mode?

Solution
Go into your BIOS. ow to do that depends on the motherboard and the BIOS itself.

Once in the BIOS, in the section where storage options are, look for something that says AHCI, and change the entry to ENABLED. Then go to the Exit page in the BIOS, and select SAVE AND EXIT.
Go into your BIOS. ow to do that depends on the motherboard and the BIOS itself.

Once in the BIOS, in the section where storage options are, look for something that says AHCI, and change the entry to ENABLED. Then go to the Exit page in the BIOS, and select SAVE AND EXIT.
 
Solution