rog strix g15 512lv

Hi there, 3y ago I've bought an Asus strix rog g15 512lv. The specs are intel i7-10870H, rtx 2060 6gb, 16gb ram, 3 ssd s nvme ( 1TB + 512x2 ). For almost a year, the laptop ran games without problems untill1 day where i had some display problems then mb. I got it to service where i had the...