Windows xp system boot menu meaning analysis

        
a
, when safe mode
choose safe mode start Windows XP, the system uses only the most basic files and drivers to start. Entering safe mode is an important step in diagnosing a fault. If the problem cannot be determined after the security mode is started, or if the security mode cannot be started at all, then you may need to use the emergency repair disk ERD function to repair the system.
Second, the network security mode
Similar to the security mode, but added support for network connections. This option is useful for troubleshooting Windows XP boot failures in a LAN environment.
Third, the security mode of the command prompt
Also similar to the security mode, only use the basic files and drivers to start Windows XP. But after login, the command prompt appears on the screen instead of the Windows desktop.
Fourth, enable the startup log
Start Windows XP, and record all the drivers and services loaded by the system to the file. The file name is ntbtlog.txt and is located in the Windir directory. This log is useful for determining the exact cause of a system startup problem.
Five, enable VGA mode
Use Windows VGA driver to start Windows XP. This mode is very useful when installing a new graphics driver that makes Windows XP not start properly, or because the refresh frequency is not properly set. . When starting Windows XP in Safe Mode, only the most basic graphics driver is used.
Sixth, the last correct configuration
Select "Use ‘last correct configuration to start Windows XP” is a way to solve problems such as the newly added drivers and hardware do not match. Starting in this way, Windows XP only restores the information under the registry key HklmSystemCurrentControlSet. Any changes made in other registry keys remain the same.
VII. Directory Service Recovery Mode
Not applicable to Windows XP Professional. This is for the Windows XP Server operating system and is only used to restore the Sysvol directory and Active Directory directory service on the domain controller.
VIII. Debug Mode
Start Windows XP and send debugging information to other computers via serial cable. If you are installing or have installed Windows XP on your computer using the Remote Installation Service, you can see additional options related to using the Remote Installation Services to recover your system.