1, connect a monitor externally, and determine whether it is a screen problem or a graphics card problem, but there will be no problem with the general screen. I think the motherboard or graphics card is probably broken, please send it to customer service for testing. The motherboard is broken, so you should be prepared to spend a lot of money.
2. A dead horse is a living horse doctor, and then a memory card is inserted, which is estimated to have little effect.