Pc turning on but no display or keyboard

- Pc turning on but no signal on display keyboard and mouse
- Pc turns on but no display or keyboard
- Pc powers on but no display or keyboard
- Pc starts but no display or keyboard
- Pc working but no display or keyboard
- Pc starts but no display or keyboard reddit
- Pc turns on but no display or keyboard reddit
- Pc turns on but no display or keyboard lights
- Pc turns on but no display keyboard or mouse
- Pc fans turn on but no display or keyboard