wontboot

My acer v nitro vn7-591g wont turn on and it just a blank screen when I power on it, led is working, tried unplug the cmos battery, ram, battery reset, and 30sec power on off trick still the same..... at first I was in dota 2 (main screen, not even start playing) then the screen freeze and make...

A few years ago I bought the Lenovo G550 laptop, and it finally collapsed after many years. The problem is that it won't boot at all. When I first opened it, the fan was spinning, but I had a black screen, and the laptop was unresponsive. I held the power button down for many seconds, however it...