Samzz

i am running a H96(model RK3318) android tv box, its old, i have lost itss remote as well. basically noow i am tryinh to install ambrain os on it, but the conditon now is , even the android id now visible on the tv/monitor, basically when i insert the power cable on the display "boot" is showing with blue light. after few sec, some number like "07:01" is showing, but when i connect my htmi cable, the tv is detecting the htmi. but its showing no signal. basically there is no output on the display. i have tried many methods, there is no problem in htmi, or tv or cable. the andoird itself not booting. and the sd card method for ambrain also not working . tried the toothpick method and everything. but still its nott working!. i dont know why there is no output on the display. i dont know whhat issue. usb, htmi, everything is working. even charger also working.