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#41
No @Arc, I only used the same screenshot to show the same warning again, but I have booted from the bootable USB Flash, that I have burned first with Unetbootin and later with Rufus and got the same result. So, it's not from Windows, it's from the USB drive. And it doesn't work.
In any case, I don't mind if it is MBR or GPT, UEFI, CSM or whatever because I will only use two partitions and small sized, what I want is to fix the different problems in switching off (doesn't switch off well, three leds remain on and won't start when I press start button), sleep mode or fast boot.
Maybe I will need to empty the disk and wipe it completely to install W10 on GPT again, but it's 270 GB and it takes very long to move to the external disk.
Thank you.