Dual boot
Joshua Judson Rosen
rozzin at geekspace.com
Thu Oct 14 14:10:28 EDT 2010
David Rose <proviss at gmail.com> writes:
>
> GNU GRUB version 0.97 (640K lower / 3072K upper memory)
>
> [ Minimal BASH-like line editing is supported. For the first word, TAB
> lists possible command completions. Anywhere else TAB lists the possible
> completions of a device/filename.]
>
> grub> root (hd
> Possible disks are: hd0 hd1
>
> grub> root (hd0,0)
> Filesystem type unknown, partition type 0x7
>
> grub> root (hd1,
> Possible partitions are:
> Partition num: 0, Filesystem type is ext2fs, partition type 0x83
> Partition num: 1, Filesystem type unknown, partition type 0x8e
>
> grub> root (hd1,0)
> Filesystem type is ext2fs, partition type 0x83
OK, so GRUB says that your NTFS partition is (hd0,0) and that
your Linux partition is (hd1,0); so now that we've done a sanity-check,
I gather (never done it myself...) that you should be able to run through
this sequence of commands to boot Windows (NOTE: don't change the drive-
configuration--it'll cause the numbers the change):
rootnoverify (hd0,0)
makeactive
chainloader +1
boot
I'd try that on GRUB's command-shell, so that you can verify that each step
is working--if you can't run through the whole series and end up booting
the OS, at what point does something fail?
Now, I note that this `Windows on (hd0,0) and Linux on (hd1,0)'
is exactly the opposite of what you had in your first message, where you
wrote:
Initially, I had Windows as the first drive and tried to have the
choice using "boot.ini". I have since switched the drives[...]
Have you since switched them back? Is that how the Windows disk became #0?
Or is your computer doing something weird and, I don't know... randomising
them at boot?
And if the Windows disk is `the first one' (and I'm not entirely sure
what that means with SATA + your BIOS...), how is it that you're
booting into GRUB? Is GRUB installed into the boot-record on the Windows drive,
or do you have the BIOS set up to `boot from the second drive', or...?
--
"Don't be afraid to ask (λf.((λx.xx) (λr.f(rr))))."
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