After I configuring win server 2008 then I shutdown. In the next day I try to power on again but the server didn't booting even the power is on. what should I do??

According to Microsoft, Windows Server 2008 is an award-winning system that allows IT professionals more reliability and flexibility with their server infrastructures. The newer Windows Server 2008 R2 utilizes much of the same coding as Microsoft Vista and features advanced virtualization tools, Web resources and management enhancements. Additionally, the system's Windows 7 integration helps to save both time and money, and provides a platform for a dynamic and efficiently managed data center. Tools such as Internet Information Services version 7.5, Server Manager and Hyper-V platforms, and Windows PowerShell version 2.0 give customers greater control. Often, though, it's simple tasks like resetting a user password that keep IT administrators busy on a day-to-day basis.<br /> As long as you have administrator-level access to your Windows Server 2008 machine, <a href="http://www.passwordunlocker.com/knowledge/reset-domain-password.html">resetting Windows Server 2008 password</a> becomes a quick task once you know where to look.<img src="trans.gif" /> Step 1: Log into the Windows Server 2008 administrator account using the current password.<br /> Step 2: Click the Windows "Start" button, select "Control Panel," and then click "User Accounts."<br /> Step 3: Click "Add or remove user accounts," and then click "Continue" when prompted to confirm your choice.<br /> Step 4: Select the administrator account and click "Change the password."<br /> Step 5: Type the current password in the "Current password" field, type the replacement password in the "New password" field, and then confirm your choice by typing it again in the adjacent "Confirm new password" field.<br /> Step 6: Click "Change password<br /> Well, if you have not the admin level to access or you forgot Windows Server 2008 password, what would you do? Here,<b> <a href="http://www.passwordunlocker.com/windows-password-recovery.html">Windows Password Unlocker Enterprise</a></b> allows you to use a bootable CD/DVD or USB flash drive to <b>reset Windows 2008 admin password </b>in 4 simple steps.(Take USB falsh drive for example).<br /> <b>Step 1: </b>Download and install <b>Windows Password Unlocker Enterprise</b><br /> <b>Step 2: </b>Burn a bootable USB flash drive<br /> <b>Step 3:</b> Set BIOS to boot from USB flash drive<br /> <b>Step 4:</b> Reset Windows 2008 admin password<br /> There are 2 options for you if you need to reset Windows Server 2008 domain pasword.<br /> <b>Option 1:</b> Reset the default administrator password to <b>Pu12345</b><br /> <b>Option 2:</b> Create a new specified account to reset lost administrator password.<br /> If you choose option 1 to reset Windows 2008 Domain admin password, you can log on your computer with the username of <b>administrator</b> and password of <b>Pu123456</b>. If you select option 2 to <a href="http://www.passwordunlocker.com/knowledge/reset-domain-password.html">reset Windows 2008 Domain password</a>, you can log on computer again with the username of <b>unlocker</b> and password of <b>Pu123456</b>.<br /> <br /> <br /> <br />