Specs: Gpu - Strix 2080 Ti Cpu - i9-9900k Motherboard: Asus rog maximus xi hero Monitor - Alienware aw2518hf This monitor is supposed to support 1920 x 1080 240hz through dp cable, I bought a vesa certified displayport 1.4 cable from club3d so I should be able to run 240hz on this monitor. Whenever I try switching to 240hz or anything above 60hz the screen goes black and says there is no dp input, I already tried to ddu but that didint work. plz help lol.