Question Monitor is not detecting signal

[Timmy2467457]

My monitor is not detecting signal neither is my mouse or keyboard after I installed the new gpu the rtx 2080 duke from msi. Have no clue what the problem could be

 

[Dark Lord of Tech]

Specs?

 

[Timmy2467457]

Rtx 2080, intel 7700k is 16 go ddr4 ram 750 watts EVGA power supply got no clue on motherboard