Solve the problem of Windows XP shutdown but restart

For Windows XP, because it uses the NT core with high security performance, the system runs fairly stable, except for the slow shutdown speed, under normal circumstances, there are few shutdown failures. But sometimes it is inexplicably restarted when Windows XP is turned off. This failure is the most common failure in the Windows XP operating system shutdown failure. The cause of this failure may be due to the following reasons: System Settings By default, Windows XP will automatically restart when there is an error in the system, so that when the user shuts down, if the system fails during the shutdown process, the computer will restart. Turning this feature off often resolves the failure of an automatic restart.
Right click on "My Computer" on the desktop, select "Properties" in the pop-up menu, pop up the "System Properties" window, click the "Advanced" tab, click on the "Startup and Recovery" section. The "Settings" button pops up the "Startup and Recovery" window. In the "System Failure" section, remove the checkmark before the "Automatically Restart" option and click the "OK" button.
Advanced Power Management As we all know, shutdown is closely related to power management. The cause of shutdown failure is probably caused by poor power management.
Click "Start → Settings → Control Panel → Performance and Maintenance → Power Options", in the pop-up window, enable or disable "Advanced Power Support" as needed. If you are using "Advanced Power Support" when a failure occurs, try to cancel it. If you try to enable it by canceling "Advanced Power Support" when the failure occurs, the failure will often be solved.
USB Devices Now when USB devices are popular, what U disk, mouse, keyboard, modem, etc. are all available. As everyone knows, these USB devices are often the main culprit for shutdown failures. When a shutdown turns into a reboot failure, if you have a USB device attached to your computer, please unplug it and try again. If you are sure that the USB device is faulty, it is best to replace the device or connect it. An external USB Hub connects the USB device to the USB Hub instead of directly to the USB port on the motherboard.