The computer's two main lights flashed out
The second step: if the fault persists, check whether the excess metal chassis and then open the main chassis, or deformation caused by short circuit board
The first step: first of all, check the computer's external wiring is connected, put each line re inserted, to see if the failure is ruled out.
No troubleshooting on computer boot (see if there is any drum capacitance).
The proposed BIOS battery discharge (restore BIOS factory default), plug in the graphics card, memory, clean up the health, and Polished graphics cards, memory gold fingers.
