Black screen here for me too for my Imperial account on Gameroom. I was online, I closed the game for a few minutes and now i can't login anymore. I'm stil playing with my Rebel account on Gameroom on another device, but I'm affraid if I have to go offline, I can't login again. I'm 1% on Tatooine now and hunting more 20 k CB to upgrade my sentinel to 20...
SWC Windows survivor.
Imperial Prestige / Rebel Prestige on vacation and trying new games.
If you are Rebel join "Solo's_Band" (war squad) or "Ewok_revenge" (training squad)