This post wont be organized, in a real panic, promise to rewrite it tomorrow. Have a samsung laptop, installed Linux Ubuntu latest version dual boot with windows. I remember that i read a comment about the csm/uefi option, followed the tutorial, cant remember what option i chose back then. My battery died, and when it happens it always changes the "csm/uefi option". i changed it to CSM, used Linux for a couple of days. Tried accessing windows, it just loaded infinitely, tried accessing the volume in Linux gave an error message
"Error mounting /dev/sda2 at /media/jonathan/309A81959A81586C: Command-line `mount -t "ntfs" -o "uhelper=udisks2,nodev,nosuid,uid=1000,gid=1000" "/dev/sda2" "/media/jonathan/309A81959A81586C"' exited with non-zero exit status 14: The disk contains an unclean file system (0, 0). Metadata kept in Windows cache, refused to mount. Failed to mount '/dev/sda2': Operation not permitted The NTFS partition is in an unsafe state. Please resume and shutdown Windows fully (no hibernation or fast restarting), or mount the volume read-only with the 'ro' mount option."
Tried changing back to uefi mode but right after restarting theres a black screen with white text saying "all boot options are tried, press f4 to reset factory settings" (something like that)
it only start with uefi and csm // csm and only linux.
I have unbacked 23 year worth of family pictures there... please help