In a notebook, replacing the motherboard probably means you'll need to fully disassemble the entire notebook except the LCD assembly.

Question

Quizplus · Accepted Answer

Since the motherboard is the main component of the notebook, it is typically located at the bottom of the chassis underneath various other components such as the keyboard, hard drive, and optical drive. Therefore, in order to replace it, these components will need to be removed first, making a full disassembly of the notebook necessary. However, the LCD assembly is typically located at the top of the chassis and connected to the motherboard by a separate cable, so it can usually remain in place during the replacement process.

In a Notebook, Replacing the Motherboard Probably Means You'll Need