Press and hold the Shut Down key to shut down.
Then unplug all the connecting cables of the notebook.
Leave it for 1 minute, and then press the power on button, there will be two situations:
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1. The machine cannot be started. At this time, wait for a few minutes, and then press the power on button. At this time, the system will power on, and the keyboard will recover
2. If you find that the computer is turned on immediately, you need to judge whether the keyboard is restored after the computer is turned on. If it is not recovered, plug in the power cord, start the machine, and repeat the above steps. If it is recovered, solve the problem.