Once you format your C: to install 7 you will lose some files related to the recovery application. The boot handler in the small hidden partition will try to check the recovery files because it assumes that your windows installation is corrupted, but some file are missing, and that will result in a big red ERROR written on the screen, it looks pretty much like this one.

ERROR

to fix this do the following.

• Insert your window 7 CD and chose to repair your windows installation.
• Open the command prompt.
• write “bootsect /nt60 c: /mbr”
• restart

everything should work fine.

what you did was to rewrite the master boot records to load windows7 and ignore loading the recovery process

If you have made the mistake of installing this software without reading the documentation first. Your screen may go blank and there is nothing you can see. even after a restart.

The solution is to press Ctrl+F2 right after the screen goes blank. But if you restarted your system, this is less likely to work.

What you can do is to restart and  hold f8 before windows starts. then select “Enable VGA mode”.

You will be able to see the desktop at low resolution. remember not to increase the resolution yet.

Open TV tools and then normally increase the resolution to that you usually use (1024*768 or else).

The screen will go blank again. Now press Ctrl+F2. your display will be restored.

system32\config\system and  system32\config\software can be easily damaged or corrupted in case of power  drop in the system.

Note that unlike other system files do not think about restoring them using the expand command from the windows XP recovery console, these file contain YOUR registry and you don’t want them replaced with the stock XP empty registry.

2 Ways to solve this:

1. while the system is booting and before it displays the error press and hold F8 then select “Last good  configuration”  if the system boots OK then you should party can consider your self lucky.

If not go to step 2.

You must insert your windows XP installation CD and then boot from it (check your bios settings for that) on the first screen where you choose what to do press ‘r’ wait until it ask you what windows installation you want:

1. c:\windows

2. e:\windows

select the number of the corrupted installation by pressing it’s number for example 1 and ENTER

if you have a password for the Administrator account you should know it and write it when asked to

if every thing is ok you should see a prompt like this

c:\windows>

now write the following at the prompt and just change C: to your windows directory

md bak

cd system32

cd config

copy system c:\windows\bak\system.bak

del system

cd ..

cd ..

cd repair

copy system c:\windows\system32\config\system

exit

ok now stop, don’t write this just stop !

your system will reboot and it should work just fine but some registry keys way get lost because we actually restored a backup of the registry and its age depends on your system.