Driver rtc cmos needs updating please
In order to remove or replace the motherboard, you’ll have to disassemble the whole laptop. There are no LED light activity when you press on the power button or plug in a known good AC power adapter. The laptop starts but the video output on the LCD screen or external monitor is garbled.
In other words, the “trick” was revealed in advance.
If you have tried solving this puzzle, you can confirm that your first attempts usually involve sketching lines inside the imaginary square.