When restarting the PC and its getting to the login manager half screen green and the other is ok then after 2 seconf the green gone

its happens when i open first time kodi media player not now anymore but the logining mannger stil happening

you can delete that topic i moved to other os 2 weeks not getting any input about the problem bummer i liked how slick it was at the begin but 2 weeks and 30 ppl seeing this and silent made me moved but tnx anyway