Press the F8 key when the system starts Windows XP, and the Windows XP startup is displayed on the screen, and you can select Different mode to start Windows XP by these options. Here are the meaning of these options to everyone. 1. Safety mode: When you use the security mode to start Windows XP, you only call some of the most basic files and drivers. Use only a small amount of equipment and do not load anything in the boot group; you cannot turn it on with the network after startup, many devices cannot Normal use (CD drive can be used in Windows XP). This mode helps the problem of diagnostic system, if the newly added device or the system is changed after the driver is changed, the system can enter the security mode, and the device will be deleted, and then install it. If you can't solve the problem in security mode, you need to reuse the installation disc to repair the system. 2. Safety mode with network connection: This mode uses basic files and drivers, compared to "Safe Mode", it also loads network drivers, the main role is basically the same as safe mode, but it does not support PCMCIA card (A removable card with a personal computer memory card International Association Norms. If any errors are detected when the computer has been accessed, it is not detected by the security mode, it may be a network card error, and some problems hidden in security mode are found. 3. Safety mode of command line prompt: Start Windows with basic files and drivers, start the command prompt window after startup. Note that the desktop and start menu will not appear in this mode. If the DOS window is accidentally closed, shut down can only open "Windows Task Manager" by pressing "Ctrl Alt Del", then shutting down from its " "The menu is selected; or add new task Explorer in the Task Manager. EXE can appear on the desktop and start menu, and then shut down like normal mode. 4. Enable the launch log: Boot Windows and load the system normally recorded in the file to the file (the name of the file is ntbtlog.txt, the installation directory WinNT in Windows XP), can analyze the system startup through this log file The root cause of the problem. 5. Enable VGA mode: Use a standard VGA driver to boot Windows, if you cause Windows error after installing a new display driver, you can enter this mode, then remove the error driver and then install other drivers. This mode is often used to solve problems that cause system startup due to graphics card driver errors. In fact, standard VGA drivers are used under Safe Mode, "Network Security Mode", "Command Prompt Security Mode". 6. The last correct configuration: After the system has problems (such as new drivers and hardware may cause the system to start normally), use the "last correct configuration" to start Windows generally solve these problems. Of course, if the system problem occurs due to the loss or corruption of the system file, it cannot be resolved (this case can enter the system configuration utility after clicking "Expand File" to extract the corresponding file to recover). 7. Directory Service Recovery Mode: This mode is used to restore the sysvol directory on the domain controller and the Active Directory service. It is actually one of the safety mode.