Your computer hard disk drive (HDD) is divided into small sectors. The first of these is the boot sector. It is very important because that sector will be accessed first when your computer boots up.
SYMPTOMS OF CORRUPTED BOOT SECTOR
Your computer may restart again and again, only your Operating System logo will appear then it will restart. Sometimes it have a black screen.
HOW TO FIX THIS?
for win XP:
1. Go to BIOS setup and set your DVD-ROM as first boot device.
2. Insert your windows xp installer to your dvd-rom or cd rom drive.
3. Restart your computer, when press any to boot from cd prompted , hit any key.
4. When a blue screen will display, then you are on you way.
5. You must press F8 to agree the setup agreement.
6. After that some options will display to your screen, read it.
7. You must enter the recovery console, so you must press R on your keyboard.
8. If the console is started, enter the number that corresponds the installation you want to
repair.
10. At the Console command prompt type fixboot and hit Enter.
11. You will asked to confirm and confirm it by pressing Y.
12. If you want to rebuild it you can type bootcfg /rebuild.
13. Confirm it all. then type exit.
For win Vista and Seven:
The screen bellow will display when your insert your windows vista or seven installer. You just select it on how you repair.
