tailieunhanh - Troubleshooting Shutdown Problems

Troubleshooting Shutdown Problems Improper system shutdown can harm any computer. Power failures or fluctuations, and improper system shutdowns caused by them | Troubleshooting Shutdown Problems Improper system shutdown can harm any computer. Power failures or fluctuations and improper system shutdowns caused by them usually are listed first during discussions about the possible causes of hardware damage and data loss in corporate networks. For network servers improper shutdown can be disastrous Furthermore most system startup problems such as damaged Master boot record MBR or boot sectors missing or corrupted files or a damaged registry are caused by improper shutdown. In general if you experience problems that prevent your system from shutting down gracefully you eventually will experience startup problems. As outlined in Chapter 9 improper shutdowns also present a serious security threat. Do not overestimate the importance of graceful shutdown. Performing an Emergency Shutdown Curiously enough even experienced users do not know what to do if a computer running Windows 2000 Windows XP or Windows Server 2003 hangs or does not perform a graceful shutdown. When this happens they simply power down the system. The best recourse however is to perform a so-called emergency shutdown. The procedure for emergency shutdown described in this section will be helpful if your system stops responding you cannot shut down normally or you need to shut down quickly and prevent current information from being saved. Note Although this procedure is less harmful than simply turning off the power it should be used only in emergency situations. To perform an emergency shutdown 1. Press Ctrl Alt Del . 2. When the Logon Information screen is displayed hold down the Ctrl key and press the Shut Down button. You will receive the following system message 3. If you continue your machine will reboot and any unsaved data will be lost. Use this only as a last resort. 4. Press OK. You can discover which shutdown option was used when you last invoked shutdown either from the Start menu or by pressing the Ctrl Alt Del keyboard combination. By default the .