Grub Error 21 after Debian Install
I installed Debian onto a USB drive and grub quit on the main drive.
The error message is: GRUB Loading stage1.5 GRUB loading, please wait... Error 21 The disks partitions are: hda1: Windows XP hda2: Linux ext3, Debian Stable hda5: Linux Swap sda1: Linux ext3 sda2: Linux swap It used to boot to hda using GRUB. After installing Debian on sda, I just get Error 21. How can I get the computer to boot again? |
Error 21 means Hard Disk not found.. http://orgs.man.ac.uk/documentation/grub/grub_14.html
So SDA is an external USB Hard Drive ? Maybe this how-to will shed some light on what you need to do to fix it. The How to is for Installing Ubuntu on a USB Hard drive. Ubuntu is basically Debain so the process should be the same. http://www.ubuntuforums.org/showthread.php?t=80811 |
Quote:
I don't see how that HOWTO helps. The only GRUB reference to SDA is in device.map where /dev/hda defines hd0 and /dev/sda defines hd1. I don't see a reference to hd1 in menu.lst. Here is my menu.lst, without comments: default 0 timeout 5 color cyan/blue white/blue title Debian GNU/Linux, kernel 2.6.8-2-386 root (hd0,1) kernel /boot/vmlinuz-2.6.8-2-386 root=/dev/hda2 ro initrd /boot/initrd.img-2.6.8-2-386 savedefault boot title Debian GNU/Linux, kernel 2.6.8-2-386 (recovery mode) root (hd0,1) kernel /boot/vmlinuz-2.6.8-2-386 root=/dev/hda2 ro single initrd /boot/initrd.img-2.6.8-2-386 savedefault boot title Other operating systems: root title Microsoft Windows XP Home Edition root (hd0,0) savedefault makeactive chainloader +1 It all looks OK to me, but I still get an error. |
hello, this is my first post, and I am from Argentina. I have a problem after installing the Debian Etch on a USB disc, Grub says: "Grub Error 21". I can't see the menu.lst and /boot doesn't even exist. Could somebody help me? Thanks
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