I have a dual boot computer (ubuntu 18.04 and windows 10),but now I get this problem unknown filesystem when I try to boot , enter image description here

I get a list of partitions with ls in grub rescue screen, and I use the command with every partition I get before, ls (hd1,gpt1).... but with all the the partitions I get the message Filesystem is unknownalso I had another problem I can boot a boot usb and I can't access to the BIOS but I had this problem before

  • I see "Entering rescue mode...", I suspect there is an error message above it? – sourcejedi Jul 21 '18 at 10:31
  • Ah, it looks like the error above that line would be "error: unknown filesystem". based on other questions and the tiny bit of it we can see :). makes sense. – sourcejedi Jul 21 '18 at 10:33
  • technically the photo doesn't show ls (hd1,gpt1)/ anywhere - you typed ls (hd1,gpt2) twice instead. – sourcejedi Jul 21 '18 at 10:36

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