Dear Redditors

as of yesterday i have recieved my grundig 4k 55' tv i tried to install it yesterday evening but when i turned it on it just had i blue screen. i waited for a minute of 5 and then turned it on and off when i do this i can see the actual stuff that needs to be displayed for a second and then it fades to the blue screen. ive tried every input (same result) ive tried restarting, unplugging and everything in the manual. i was hoping someone could help me

​

tv model: GRUNDIG 55" 4K Android Smart TV VLX707LDL