Windows XP can't wake up after hibernation.

One day, the author was pulled by a friend and said that his computer has a strange phenomenon recently. That is, every time the computer is in standby, it is always necessary to restart to recover. It is very annoying. What is going on here? What should I do? According to the phenomenon of failure, I first suspected that the problem lies in the system, so I did not do it all the time, reinstall Windows XP, I thought, the problem is actually so simple to rule out, when it is triumphant, not a few days, the friend's phone I called again and said that the wake-up wake-up problem happened again, so I only came to this computer with Windows XP again. Ready to look carefully, in the case of a mouse click, slow keyboard wake-up invalid, the author accidentally pressed the Power button, the strange thing is that the computer actually magically returned to the long-lost desktop, the author suddenly realized. The power mode of the original BIOS setting is S1 and S3. The mode of S3 is similar to the mode of hibernation. In the system without hibernation, the motherboard can be supported. The friend sets S3 (STR) in the BIOS. And the motherboard has turned on the sleep function of the power-saving mode, but this function is to restore when the switch is pressed, but the S1 mode can be used to restore the old mode like Windows 98! If you don't do it, set the mode to S1 immediately. At this point, troubleshoot.