A successful Windows startup includes of the following four phases:

1. Initial phase
2. Boot loader phase
3. Kernel phase
4. Logon phase

If a problem occurs during one of these phases, Windows may not start correctly and you may experience one of the following problems:

The computer stops responding (hangs).
You receive an error message.

If a startup problem occurs after you click Microsoft Windows Server 2003 from boot loader menu, files that the operating system needs may be missing or damaged.

Windows provides a variety of options that you can use to troubleshoot this issue, including Safe mode, the Recovery Console, and an Automated System Recovery. You may opt for the below listed options to recover your windows:

• The Last Known Good Configuration.

• Start the Computer in Safe Mode.

• Use Event Viewer to Identify the Cause of the Startup Problem.

• Use System Information to Identify the Cause of the Startup Problem.

• View the Safe Mode Boot Log File.

• Use Device Manager to Identify the Cause of the Startup Problem.

• Use System Configuration Utility (msconfig.exe).

• Isolate Problems by Using System Startup Options.

• Troubleshoot the System.ini File.

• Use the Microsoft Windows Recovery Console.

• Confirm That Your Hard Disk or File System Is Not Damaged.

• Use Automated System Recovery.

• Create an ASR Disk Set by Using Backup.

• Repair Your Installation of Windows.

• Use the Microsoft Product Support Services Web Site to Find a Solution.