How to fix a corrupted or damaged Master Boot Record

Monday, September 3, 2007 15:37
Posted in category Fdisk Tips

The Master Boot Record contains the partition information for your systems hard drive and determines which partition is bootable. When you first start your computer, it’s the Master Boot record that makes the initial post request and determines the state of your computer and loads the appropriate drives and devices.

If you’re Master Boot record is damaged by a virus or a third party partitioning software on your system. You may receive the following error message “’MBR Corrupt’ and ‘Error loading operating system’. 

It’s not uncommon for the Master Boot Record to get damaged, as spyware and viruses are the main culprits.

Fortunate for you its really quiet easy to repair, it just takes a little patients and a few minutes of yout time.

  1. Use a bootable Floppy for your operating system, if you don’t have one you can download one from here http://www.pcwindowstips.com/windows-boot-disks/
  2. Place the floppy in you’re A:\  drive and Restart your computer.
  3. Your computer should pick up the bootable floppy disk and start to load the Utilities. If it doesn’t you may need to adjust your system BIOS to boot to the floppy drive first.
  4. From the command prompt Run FDISK /MBR

This will replace your Master Boot Record with a new one and you should be able to use your computer.

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3 Responses to “How to fix a corrupted or damaged Master Boot Record”

  1. Ann PC says:

    September 17th, 2009 at 11:34 pm

    I found your blog doing a search for PC repair.

    Interesting. I wish I could help more with the discussion.
    I solved my problem so my systems are working fine at the moment.

  2. repair computers jacksonville says:

    March 8th, 2010 at 3:38 am

    I’m always looking for stuff about information that I don’t know about. It’s hard to search things that you do not know of, because what do you look for? ;) This is right up my alley regarding something new to me. Awsome read! Thank you.

  3. Yanira Reddoch says:

    May 17th, 2010 at 12:53 am

    Hello this worked on my HP Pavillion dv6000 also. I got this computer from customer whom said that it is broken. There was a problem that when computer got warm, I mean after 15 seconds, the video failed. After baking motherboard the video is working for now. I’ll report later if the motherboard fails in couple days. My failure on baking was that i put screws on wrong positions. My opinion is to use more screws because my motherboard bended a little. Also I backed it on normal oven so temperature is not so accurate. As a result of that SD card reader on bottom side of motherboard popped off but it is easy to but it back again. I’m not sure if it popped off before removing motherboard from oven. Maybe motherboard should cool longer time in oven but I decided to remove it because motherboard was bending. Temperature which I used was a 200 celsius, cooled 20 minutes outside (I checked temperature of motherboard before putting it back on pc).

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