Fix Boot Error

Some times when you just start your computer, It shows you some errors at the time of startup on a Black booting screen about some missing files needed to start your Operating System(WINDOWS).
Some are the examples below:-

--> Windows could not start because the following file is missing or corrupt:
C: \WINDOWS\SYSTEM32\CONFIG\SYSTEM
--> Windows NT could not start because the below file is missing or corrupt:
C:\WINNT\System32\Ntoskrnl.exe
--> Windows NT could not start because the below file is missing or corrupt:
C:\WINNT\System32\HAL.dll --> NTLDR is Missing
--> Invalid boot.ini or boot.ini is missing

Press any key to restart


Solution 1:-
Open your CPU and make sure all the connections of motherboard and hard drive are well, also check your BIOS battery. Clean the dust if there
and start your computer. Now see the errors are fixed or not.
If not then go for solution 2.
Solution 2:-
1. Put the Windows XP installation CD into your CD drive
2. Press any key to boot from the CD (when asked to)
3. Once you’re in the Setup Menu, choose ‘R’ to repair windows
4. Press the ‘1’ key and press ENTER to long into your Windows installation
5. You will be asked for your windows password, enter the password and press ENTER
6. In the command prompt, type
copy x:\i386\ntldr c:\
copy x:\i386\ntdetect.com c:\
7. Once the files have been copied, restart
here x id the drive letter of your CD drive.
Also some times you get error.
--> MBR is missing or corrupt.
To fix this error repeat the Solution 2 up to Step 6.
and then type the following comands.
C:\> fixmbr
C:\> fixboot
And Done....
Thats All.....