Thursday, November 12, 2009

Clean MBR with SystemRescueCD

Update 29 Nov 2009, Sun
Finally home!
Luckily beside a pre-paration, there is a post-solution.
The post-solution is to clean the Master Boot Record (MBR) with the command:
dd if=/dev/zero of=/dev/sda bs=446 count=1

* change '/dev/sda' to the relevant harddisk/device name
~ dataset definition dd | input file if | output file of | blocksize bs | number of blocks count
~ bs=446 (keep partition table intact) | bs=512 (completely wipe out hard disk)

Now stuck on the screen was the message:
Verifying DMI Pool Data...

Here, one solution is to update the MBR by modifying partitions, e.g. combining two ntfs partitions into one.

Success!

*******************
Today 12 Nov 2009, Thu
Haven't been using my experimental linux OS for more than a year now and so decided to delete it by formating the two linux partitions to ntfs. It was a mistake!? Now the WinXP OS couldn't boot up and stuck on the screen was the message:
Verifying DMI Pool Data...

Grub loading stage 1.5
Grub loading. Please wait...
Error 17
auto... auto | en | ro | ja | zh-CN :

zh-CN... en | ro | ja | zh-CN :
initialize

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