kaksi kovalevyä koneessa, toiselle asennettu ensin windows 7 64-bit ja sitten toiselle ubuntu 10.10 64-bit, koska käytössä AMD-prosessori
windows buuttaa normaalisti, mutta kun asensin ubuntun, valitsin grubin (grub2:n) paikaksi windows 7 bootloader, ei toimi
ajoin ubuntu 10.10 livecd:ltä boot_info_scriptin, joka tuotti seuraavat tiedot:
(niin ja kysymys: miten saan ubuntun buuttaamaan eli valikon näkyviin käynnistettäessä kone
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               Boot Info Script 0.55    dated February 15th, 2010
============================= Boot Info Summary: ==============================
 => Windows is installed in the MBR of /dev/sda
 => No boot loader is installed in the MBR of /dev/sdb
sda1: _________________________________________________________________________
   File system:       ntfs
   Boot sector type:  Windows Vista/7
   Boot sector info:  No errors found in the Boot Parameter Block.
   Operating System:
   Boot files/dirs:   /bootmgr /Boot/BCD
sdb1: _________________________________________________________________________
   File system:       ntfs
   Boot sector type:  Windows Vista/7
   Boot sector info:  No errors found in the Boot Parameter Block.
   Operating System:  Windows 7
   Boot files/dirs:   /Windows/System32/winload.exe
=========================== Drive/Partition Info: =============================
Drive: sda ___________________
_____________________________________________________
Disk /dev/sda: 251.0 GB, 251000193024 bytes
224 heads, 19 sectors/track, 115186 cylinders, total 490234752 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
Partition  Boot         Start           End          Size  Id System
/dev/sda1    *          2,048       206,847       204,800   7 HPFS/NTFS
Drive: sdb ___________________
_____________________________________________________
Disk /dev/sdb: 251.0 GB, 251000193024 bytes
255 heads, 63 sectors/track, 30515 cylinders, total 490234752 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
Partition  Boot         Start           End          Size  Id System
/dev/sdb1               2,048   490,231,807   490,229,760   7 HPFS/NTFS
blkid -c /dev/null: ____________________________________________________________
Device           UUID                                   TYPE
LABEL
/dev/loop0                                              squashfs
/dev/sda1        32A4E37FA4E343C7                       ntfs
System Reserved
/dev/sda: PTTYPE="dos"
/dev/sdb1        A088E5D688E5AACC                       ntfs
/dev/sdb: PTTYPE="dos"
============================ "mount | grep ^/dev  output:
===========================
Device           Mount_Point              Type       Options
aufs             /                        aufs       (rw)
/dev/sr0         /cdrom                   iso9660    (ro,noatime)
/dev/loop0       /rofs                    squashfs   (ro,noatime)
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tia
pulvis