Hisense TV Stopped working within 6 months

I bought a Hisense 55" E7K 4K Smart UHD QLED TV with Quantum Dot & Dolby Vision on the 28 July 2024. It has been working well throughout. When I switched it on yesterday (12/12/2024), it is not switching on at all, it does not have a standby light, it is just blank/black. I called Takealot to log a return but they said I should talk to the supplier. I find that very strange because I did not go to the supplier to buy the TV, I bought it from them. They were happy to play middle-man and get commission from the supplier, now that there is a problem they are distancing themselves. Why should I be the one liaising with the supplier? Why can't they play the middle-man when there is a problem like they did during the sale?