Question My new pc build turn on but displays nothing

Jun 10, 2020
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10
COMPONENTS
  1. Thermaltake V250 medium ATX case
  2. EVGA 600W 80 plus certified power supply
  3. MSI MPG Z390 Gaming Plus LGA1151 (Intel 8th and 9th Gen) M.2 USB 3.1 Gen 2 DDR4 HDMI DVI CFX ATX Z390 Gaming Motherboard (Renewed)
  4. Intel core i-7 9700k 8cores 4.9ghz 95w 300 series LGA 1151 processor
  5. Corsair Vengeance lpx 16gb(2x8) ddr4 3000mhz
  6. Cooler Master Liquid LC120E RGB CPU cooler
  7. MSI-NVIDIA Geoforce GTX 1650 super 4GB GDDR6 PCI-e GPU
  8. WD-BLACK SN750 nvme SSD 500gb internal PCI-e

At first I didnt have the GPU and I thought the integrated graphics in the Intel i-7 processor would work but after turning on the computer the display was covered with horizontal colored lines and then the display went black( pictures attached ) and I cant even boot up to the BIOS to flash the updated BIOS.My motherboard doesn't have a hardware bios key to reflash without CPU. I've tried everything on the internet. disconnect power, cmos battery and hold power for 5 sec, remove the ram sticks , swapped hdmi cords.This is my first ever build, I verified that the CPU was installed correctly.What I'm I doing wrong , is one of the parts not compatible?