Laptop screen can't open with power

Kristel - Updated by Ambucias on 22/03/17 at 04:38 AM

My Acer laptop screen is totally dead. But there is power. After I inserted one of my flash drive it went black. When I tried to open it up. Sometimes it goes to start up menu. But after some minutes. It turn e doff by itself. And trying to open it up. The screen is just plain black. But there is power. Please help.