[Q] Cubot x6 black screen!!!!PLEASE HELP ME!!!! topic

I bought atoday a Cubot x6 and when e try to turn on doesnt recognice none sim card and said that was one error in process.android... I done a factory reset and nothing... tryed to make a factory reset and nothing happened thenfor i installed the 4.4 kitkat rom and the screen turn whith vertical lines only!!!! Now i cant enter in the recovery and cant install a new rom cause i cant seee nothing in the screen... PLEASE HELP ME!!!!
Thanks