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Type: Question
Author: Russ Sander
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I installed OpenSUSE 12.1 on my Debian squeeze on the 32bit. First boot from the install DVD is going without errors but it failed when rebooting from the hard drive.

I used a method given in my previous post to repair GRUB. When I try to boot I get the following error.
GRUB loading, please wait
Error 21
How do I proceed to try and salvage the GRUB bootloader from this point? 
Linux 3.1.9-1.4-desktop x86_64 openSUSE 12.1
CPU AMD Phenom II X4 955. memory 4GB.
Linux 3.1.9-1.4-desktop x86_64. openSUSE 12.1
CPU AMD Phenom II X4 945 memory 4GB
How can I fix this error?
I am Thankful to anyone who helps me.
Please help me.

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# Comment Id: 74559

When the boot loader gives this type of error or the command it means only two things.

  1. Either the DVD that you are using to install the operating system is corrupted
  2. You have insufficient space or specification to install it.

There are few things that you can do before installing the operating system.

  1. Open up the chassis of the system.
  2. Note the hard disk in which you want to install it is connected to only 1 SATA cable directly to the power supply and that no other connection is being made using that wire. It ensures complete power.
  3. After that format the hard disk using NTFS format as it is more compatible.
  4. Then start installing the operating system.