Problem with rampage v e 10 and ASUS ROG Swift PG279Q

[afshin]

dear
i have Ramage v e 10 motherboard and i have ASUS ROG Swift PG279Q , when i connected with display ports , sometimes motherboard does not boot !!! black screen is shown, then i have to rest my pc.
specially when i change or update motherboard bios this problem happend again.
but when i connected by hdmi nothing happend and it works fine.
may anyone help me to reduce this problem.
thanks
mainboard Rampage v e10
vga gigabyte 1080 extreme
lcd ASUS ROG Swift PG279Q

[LiveOrDie]

This issue would more or less be related to your GPU not your motherboard.

[Chino]

Make sure you're connecting the DP cable properly and the connector goes all the way into your GPU. Also try testing with another DP cable.