Solved No Signal from the CPU and the monitor power button keep flashing No display

There is no signal the monitor with black screen and only the fans work fine and all the lights and the blinking or flashing power button.
If it still does not work?

Key: Решаемые Нет сигнала от процессора, и монитор питания, кнопка, мигать, нет дисплея,
Gelöst Kein Signal von der CPU, und die, Power Monitor-Taste, halten zu blinken, keine Anzeige,