Hello Mike, have the same problem like others, long load and black screen as on second picture. Asus strix OC 1080TI, mb: Asus Z270 TUF mark 2, case core p5 TG, withoout rizer - everything ok, test another 1070, same problem conecting via TT riser. I
I wrote to Global and USA support both. Request (51614). Cos I bought my case in Dubai souq by Amazon, and all others parts of liquid system in ThermaltakeUsa and Amazon USA, I don`t have an TT support or even resseler in Turkmenistan, andonly shipping from DUbai and USA all my TT items cost me around 500$, I hope u will change my riser for a normal one.