I have an Aorus X5 V6 (Gigabyte) with a GTX 1070 in it. The screen is 3K resolution (3K WQHD+ (2880x1620) IPS Display - G-Sync).
The screen is black right from boot - but I can VERY faintly see the screen is "working" but the backlight is dead. My external monitor is able to display just fine...