The display stopped working, what should I do?

Question

laptops

The problem is this, after disassembling the laptop, the display stopped working, the loops were checked intact, when turned on, the keyboard backlight appears, but the keyboard itself does not react when pressed, there are no POST signals, the speaker does not respond, it feels like the power does not reach the motherboard, does this mean what time to bury? Notebook Acer ms2361, new.

Answer 1

Two options:
1. Rebuild again, but according to the instructions.
2. Take it to the service.

Answer 2

Change