Try switching the SATA Operation mode back to what it was before you switched it to AHCI mode, boot into Windows and do either [1] or [2]. Then switch the SATA Operation mode back to AHCI. [1] https://support.thinkcritical.com/kb/articles/switch-windows-10-from-raid-ide-to-ahci [2] https://superuser.com/questions/1355060/how-to-switch-from-ide-to-ahci-after-installing-windows-vista Hope that helps.
Yes! Thank you Andrii! Trick [1] was needed and now I've got exactly what was the goal: dual-boot with both Trixie and Windows bootable and available in GRUB.
EOT.
Thank you ALL guys! This mailing list is amazing... already
mentioned this?... ;-)
Regards,
Rafal