Grub error! unknown file system

ive been using arch for the past few days on my computer and i total love it, so i went and installed it on my laptop alongside windows 7, however i get a grub error (grub error unknown files system). i installed grub on a boot partition within an extended partition and i think it isnt being mounted or something, but i havent a clue. could someone please help me out, and also possibly explain what is wrong and also how to fix it so that i may use the info in future situations and please keep it simple because i am new to arch
Last edited by flukee (2010-07-31 16:14:43)

I wonder how you could install GRUB on a boot partition within an extended partition. I don't see what you mean. If you install GRUB on a separate boot partition and then mount this boot partition on the root file system on another separate extended partition, how could you see GRUB in action? I guess you actually install GRUB on MBR of your HDD, but there are some mistakes in the entry of your menu.lst file. You'd better post the contents of the menu.lst file, and tell us that which partition you've installed arch on, e.g., sda5.
Last edited by plmday (2010-08-03 07:43:16)

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15) 2:                  Apple_HFS Macintosh HD            80.1 GB disk0s2
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Thank you -
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/dev/disk0
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *160.0 GB   disk0
   1:                        EFI EFI                     209.7 MB   disk0s1
   2:                  Apple_HFS Macintosh HD            80.1 GB    disk0s2
   3:                 Apple_Boot Recovery HD             650.0 MB   disk0s3
   4:       Microsoft Basic Data                         50.0 GB    disk0s4
/dev/disk1
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *15.6 GB    disk1
   1:                        EFI EFI                     209.7 MB   disk1s1
   2:                  Apple_HFS BOOT                    14.8 GB    disk1s2
   3:                 Apple_Boot Recovery HD             650.0 MB   disk1s3
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No CoreStorage logical volume groups found
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