Format the hard drive using a standalone program or installation procedure of another operating system such as Unix/Linux. You cannot do it from a running copy of Windows.
Windows boot manager controls how your computer will restart again. One example is to boot after going to sleep. Another example is to boot after pressing the reset button.
Switch it off then put it back on again.
to remove backtrack 5 you must get the windows ISO then put it on a flash drive and boot of that
Remove programes from startup,means,go to start-startup-remove all the prog,try this
It is very simple to remove Windows. First, make sure you have all your stuff backed up. Then open Finder and go to the folder Applications -> Utilities, and in there is an application called Boot Camp Assistant. Open Boot Camp Assistant, and click on Continue. Select Create or remove a Windows partition and then click Continue. Click the Restore button to remove the Windows partition and restore the disk to a single-partition OS X volume. Enter your password and click OK. It will repartition the drive, and Windows is gone!
The boot files are in C://Windows/system32
Boot Camp allows you to install Windows on your Mac and dual boot. Your Mac will look just like a Windows PC when you boot into the Windows partition. You will also have to install Windows Security on that partition to be safe.
Following are the boot loader features of windows 7: a) Windows Boot Manager(Bootmgr.exe) b) Windows Operating System loader c) Windows Resume Loader
You need a boot CD to install the windows so that you can you boot next time without CD.If the windows are already installed then go to Bios by pressing Suitable Function key at the start and arrange drives available in order in which the drive with windows is first.Then save and run again.
Windows Boot Manager (bootmgr)File,Windows boot loader (winload.exe)File and the Boot Configuration Data (BCD) File
Did you format your hardrive? If you did than windows isn't on the machine anymore. You will have to install the OS again.
NTLDR is indeed a key boot file in Windows 2000 and all of the Windows operating systems since Windows NT. A machine will not boot without that file.