Hello and thank you for allowing me to waste your precious time reading this thread,
For the details I will give you, I will try to be simple and not add unnecessary information but please read everything before sending a hasty answer.
Could you please help me?
				
			For the details I will give you, I will try to be simple and not add unnecessary information but please read everything before sending a hasty answer.
- Rst premium with optane is the default Sata parameter
 - I don't have a dual boot
 - I have changed the Sata parameter in the bios to AHCI
 - When I turn on the computer, it displays "no bootable device".
 - I reset the default bios settings but it's still the same.
 - Partition orders are empty in the bios
 - I have checked several websites and changed several settings but the UEFI mode of this Acer pc cannot be changed through the bios settings.
 - With Gparted (mbr and fat32) on a usb key, the ssd partitions are not findable
 - the same for a live linux cd
 - If I change the Sata parameters to AHCI, the partitions are found but are unallocated.
 - Just in case, I have another pc with a double usb cable.
 - I only want to have my files
 
Could you please help me?
			
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